Cancer Recurrence Risk Calculator

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Cancer Treatments
Cancer Recurrence Risk Calculator | Doseway

Cancer Recurrence Risk Calculator

Assess your risk of cancer recurrence based on clinical and personal factors

Patient Information

Please enter your name
Please enter a valid age (1-120)

Cancer Information

Select cancer type Breast Cancer Prostate Cancer Lung Cancer Colorectal Cancer Melanoma Bladder Cancer Lymphoma Leukemia Pancreatic Cancer Ovarian Cancer Other
Please select cancer type
Select cancer stage Stage 0 (Carcinoma in situ) Stage I (Early stage) Stage II Stage III Stage IV (Metastatic) Unknown
Please select cancer stage
Please enter diagnosis date
Please enter valid tumor size
Please enter valid number
Select tumor grade Grade 1 (Well differentiated) Grade 2 (Moderately differentiated) Grade 3 (Poorly differentiated) Grade 4 (Undifferentiated) Unknown
Please select tumor grade

Treatment History

Please enter completion date
Select response Complete Response Partial Response Stable Disease Progressive Disease Unknown
Please select treatment response

Lifestyle & Health Factors

Please enter valid pack-years
Please enter valid BMI (10-60)

Follow-up & Monitoring

Please enter last follow-up date
Select frequency Monthly Every 3 months Every 6 months Yearly Irregular
Please select follow-up frequency

Your Cancer Recurrence Risk Assessment

0
Low Risk
Low Risk Moderate Risk High Risk

Interpretation of Your Results

Based on the information provided, your calculated risk of cancer recurrence is in the low range. This suggests that you have a relatively low likelihood of experiencing a recurrence of your cancer in the near future. However, regular follow-up with your healthcare provider remains important.

Personalized Recommendations

  • Continue with your current follow-up schedule as recommended by your oncologist.
  • Maintain a healthy lifestyle with balanced nutrition and regular physical activity.
  • Report any new or persistent symptoms to your healthcare provider promptly.
  • Attend all scheduled imaging and laboratory tests as recommended.
document.addEventListener(‘DOMContentLoaded’, function() { // Show/hide conditional fields document.querySelector(‘input[name=”lymphNodes”]’).addEventListener(‘change’, function() { const positiveNodesGroup = document.getElementById(‘positiveNodesGroup’); if (document.getElementById(‘nodesYes’).checked) { positiveNodesGroup.style.display = ‘block’; } else { positiveNodesGroup.style.display = ‘none’; } }); document.querySelector(‘input[name=”smoking”]’).addEventListener(‘change’, function() { const smokingPackYearsGroup = document.getElementById(‘smokingPackYearsGroup’); if (document.getElementById(‘smokingFormer’).checked || document.getElementById(‘smokingCurrent’).checked) { smokingPackYearsGroup.style.display = ‘block’; } else { smokingPackYearsGroup.style.display = ‘none’; } }); document.querySelector(‘input[name=”familyHistory”]’).addEventListener(‘change’, function() { const familyHistoryDetailsGroup = document.getElementById(‘familyHistoryDetailsGroup’); if (document.getElementById(‘familyHistoryYes’).checked) { familyHistoryDetailsGroup.style.display = ‘block’; } else { familyHistoryDetailsGroup.style.display = ‘none’; } }); // Calculate button click handler document.getElementById(‘calculateBtn’).addEventListener(‘click’, function() { if (validateForm()) { calculateRisk(); } }); // PDF button click handler document.getElementById(‘pdfBtn’).addEventListener(‘click’, generatePDF); // Social sharing buttons document.getElementById(‘facebookShare’).addEventListener(‘click’, shareOnFacebook); document.getElementById(‘twitterShare’).addEventListener(‘click’, shareOnTwitter); document.getElementById(‘linkedinShare’).addEventListener(‘click’, shareOnLinkedIn); document.getElementById(‘whatsappShare’).addEventListener(‘click’, shareOnWhatsApp); // Form validation function validateForm() { let isValid = true; // Validate name const name = document.getElementById(‘patientName’).value.trim(); if (name === ”) { document.getElementById(‘nameError’).style.display = ‘block’; document.getElementById(‘patientName’).classList.add(‘input-error’); isValid = false; } else { document.getElementById(‘nameError’).style.display = ‘none’; document.getElementById(‘patientName’).classList.remove(‘input-error’); } // Validate age const age = parseInt(document.getElementById(‘patientAge’).value); if (isNaN(age) { document.getElementById(‘ageError’).style.display = ‘block’; document.getElementById(‘patientAge’).classList.add(‘input-error’); isValid = false; } else { document.getElementById(‘ageError’).style.display = ‘none’; document.getElementById(‘patientAge’).classList.remove(‘input-error’); } // Validate cancer type const cancerType = document.getElementById(‘cancerType’).value; if (cancerType === ”) { document.getElementById(‘cancerTypeError’).style.display = ‘block’; document.getElementById(‘cancerType’).classList.add(‘input-error’); isValid = false; } else { document.getElementById(‘cancerTypeError’).style.display = ‘none’; document.getElementById(‘cancerType’).classList.remove(‘input-error’); } // Validate cancer stage const cancerStage = document.getElementById(‘cancerStage’).value; if (cancerStage === ”) { document.getElementById(‘cancerStageError’).style.display = ‘block’; document.getElementById(‘cancerStage’).classList.add(‘input-error’); isValid = false; } else { document.getElementById(‘cancerStageError’).style.display = ‘none’; document.getElementById(‘cancerStage’).classList.remove(‘input-error’); } // Validate diagnosis date const diagnosisDate = document.getElementById(‘diagnosisDate’).value; if (diagnosisDate === ”) { document.getElementById(‘diagnosisDateError’).style.display = ‘block’; document.getElementById(‘diagnosisDate’).classList.add(‘input-error’); isValid = false; } else { document.getElementById(‘diagnosisDateError’).style.display = ‘none’; document.getElementById(‘diagnosisDate’).classList.remove(‘input-error’); } // Validate tumor size const tumorSize = parseFloat(document.getElementById(‘tumorSize’).value); if (isNaN(tumorSize)) { document.getElementById(‘tumorSizeError’).style.display = ‘block’; document.getElementById(‘tumorSize’).classList.add(‘input-error’); isValid = false; } else { document.getElementById(‘tumorSizeError’).style.display = ‘none’; document.getElementById(‘tumorSize’).classList.remove(‘input-error’); } // Validate tumor grade const tumorGrade = document.getElementById(‘tumorGrade’).value; if (tumorGrade === ”) { document.getElementById(‘tumorGradeError’).style.display = ‘block’; document.getElementById(‘tumorGrade’).classList.add(‘input-error’); isValid = false; } else { document.getElementById(‘tumorGradeError’).style.display = ‘none’; document.getElementById(‘tumorGrade’).classList.remove(‘input-error’); } // Validate treatment response const treatmentResponse = document.getElementById(‘treatmentResponse’).value; if (treatmentResponse === ”) { document.getElementById(‘treatmentResponseError’).style.display = ‘block’; document.getElementById(‘treatmentResponse’).classList.add(‘input-error’); isValid = false; } else { document.getElementById(‘treatmentResponseError’).style.display = ‘none’; document.getElementById(‘treatmentResponse’).classList.remove(‘input-error’); } // Validate BMI const bmi = parseFloat(document.getElementById(‘bmi’).value); if (isNaN(bmi) { document.getElementById(‘bmiError’).style.display = ‘block’; document.getElementById(‘bmi’).classList.add(‘input-error’); isValid = false; } else { document.getElementById(‘bmiError’).style.display = ‘none’; document.getElementById(‘bmi’).classList.remove(‘input-error’); } // Validate follow-up frequency const followUpFrequency = document.getElementById(‘followUpFrequency’).value; if (followUpFrequency === ”) { document.getElementById(‘followUpFrequencyError’).style.display = ‘block’; document.getElementById(‘followUpFrequency’).classList.add(‘input-error’); isValid = false; } else { document.getElementById(‘followUpFrequencyError’).style.display = ‘none’; document.getElementById(‘followUpFrequency’).classList.remove(‘input-error’); } return isValid; } // Risk calculation function calculateRisk() { // Get all form values const age = parseInt(document.getElementById(‘patientAge’).value); const gender = document.querySelector(‘input[name=”gender”]:checked’).value; const cancerType = document.getElementById(‘cancerType’).value; const cancerStage = parseInt(document.getElementById(‘cancerStage’).value); const tumorSize = parseFloat(document.getElementById(‘tumorSize’).value); const lymphNodes = document.querySelector(‘input[name=”lymphNodes”]:checked’).value; const positiveNodes = lymphNodes === ‘yes’ ? parseInt(document.getElementById(‘positiveNodes’).value) || 0 : 0; const tumorGrade = document.getElementById(‘tumorGrade’).value; // Biomarkers const erPositive = document.getElementById(‘erPositive’).checked; const prPositive = document.getElementById(‘prPositive’).checked; const her2Positive = document.getElementById(‘her2Positive’).checked; const brcaMutation = document.getElementById(‘brcaMutation’).checked; // Treatment const surgery = document.getElementById(‘surgery’).checked; const radiation = document.getElementById(‘radiation’).checked; const chemotherapy = document.getElementById(‘chemotherapy’).checked; const hormoneTherapy = document.getElementById(‘hormoneTherapy’).checked; const treatmentResponse = document.getElementById(‘treatmentResponse’).value; // Lifestyle const smoking = document.querySelector(‘input[name=”smoking”]:checked’).value; const smokingPackYears = (smoking === ‘former’ || smoking === ‘current’) ? parseFloat(document.getElementById(‘smokingPackYears’).value) || 0 : 0; const bmi = parseFloat(document.getElementById(‘bmi’).value); const activity = document.querySelector(‘input[name=”activity”]:checked’).value; const familyHistory = document.querySelector(‘input[name=”familyHistory”]:checked’).value; // Follow-up const imaging = document.querySelector(‘input[name=”imaging”]:checked’).value; const tumorMarkers = document.querySelector(‘input[name=”tumorMarkers”]:checked’).value; // Calculate base score based on cancer stage (0-100 scale) let score = 0; // Stage contributes 0-40 points if (!isNaN(cancerStage)) { score += cancerStage * 10; } // Tumor size contributes 0-15 points if (tumorSize > 5) score += 15; else if (tumorSize > 2) score += 10; else if (tumorSize > 0) score += 5; // Lymph node involvement contributes 0-20 points if (lymphNodes === ‘yes’) { score += 10; if (positiveNodes > 3) score += 10; } // Tumor grade contributes 0-10 points if (tumorGrade === ‘3’) score += 10; else if (tumorGrade === ‘2’) score += 5; // Treatment response contributes 0-15 points if (treatmentResponse === ‘progressive’) score += 15; else if (treatmentResponse === ‘stable’) score += 10; else if (treatmentResponse === ‘partial’) score += 5; // Biomarkers contribute -10 to +10 points if (erPositive || prPositive) score -= 5; if (her2Positive) score += 5; if (brcaMutation) score += 5; // Lifestyle factors contribute 0-15 points if (smoking === ‘current’) score += 10; else if (smoking === ‘former’ && smokingPackYears > 20) score += 5; if (bmi > 30) score += 5; if (activity === ‘sedentary’) score += 5; // Imaging and markers contribute 0-10 points if (imaging === ‘suspicious’) score += 5; if (imaging === ‘recurrence’) score += 10; if (tumorMarkers === ‘elevated’) score += 5; if (tumorMarkers === ‘increasing’) score += 10; // Ensure score is within 0-100 range score = Math.max(0, Math.min(100, score)); // Display results displayResults(score); } function displayResults(score) { const resultContainer = document.getElementById(‘resultContainer’); const riskScoreElement = document.getElementById(‘riskScore’); const riskCategoryElement = document.getElementById(‘riskCategory’); const riskIndicator = document.getElementById(‘riskIndicator’); const interpretationText = document.getElementById(‘interpretationText’); const recommendationsList = document.getElementById(‘recommendationsList’); // Set score and category riskScoreElement.textContent = score; // Determine risk category let category, interpretation, indicatorPosition, color; if (score < 30) { category = "Low Risk"; interpretation = "Based on the information provided, your calculated risk of cancer recurrence is in the low range. This suggests that you have a relatively low likelihood of experiencing a recurrence of your cancer in the near future. However, regular follow-up with your healthcare provider remains important."; indicatorPosition = "10%"; color = "green"; } else if (score = 60) { baseRecommendations.unshift(“Consult with your oncologist about the possibility of additional surveillance or preventive therapies.”); baseRecommendations.push(“Consider seeking a second opinion from a specialist in your specific cancer type.”); baseRecommendations.push(“Explore support groups or counseling services to help manage the emotional aspects of your risk status.”); } else if (score >= 30) { baseRecommendations.unshift(“Discuss with your doctor whether more frequent follow-up visits would be appropriate.”); baseRecommendations.push(“Consider genetic counseling if you have a strong family history of cancer.”); } baseRecommendations.forEach(rec => { const li = document.createElement(‘li’); li.textContent = rec; recommendationsList.appendChild(li); }); // Show results resultContainer.style.display = ‘block’; // Scroll to results resultContainer.scrollIntoView({ behavior: ‘smooth’ }); } // PDF generation function generatePDF() { const { jsPDF } = window.jspdf; const doc = new jsPDF(); // Add header doc.setFontSize(18); doc.setTextColor(0, 86, 179); doc.text(‘Cancer Recurrence Risk Assessment Report’, 105, 20, { align: ‘center’ }); doc.setFontSize(10); doc.setTextColor(100, 100, 100); doc.text(‘Generated by Doseway Cancer Recurrence Risk Calculator’, 105, 27, { align: ‘center’ }); // Add patient info doc.setFontSize(12); doc.setTextColor(0, 0, 0); doc.text(`Patient Name: ${document.getElementById(‘patientName’).value}`, 15, 40); doc.text(`Age: ${document.getElementById(‘patientAge’).value}`, 15, 47); doc.text(`Gender: ${document.querySelector(‘input[name=”gender”]:checked’).nextElementSibling.textContent}`, 15, 54); // Add assessment date const now = new Date(); doc.text(`Assessment Date: ${now.toLocaleDateString()} ${now.toLocaleTimeString()}`, 15, 61); // Add risk score doc.setFontSize(14); doc.text(‘Recurrence Risk Score:’, 15, 75); doc.setFontSize(24); doc.setTextColor(0, 86, 179); doc.text(document.getElementById(‘riskScore’).textContent, 60, 75); doc.setFontSize(12); doc.setTextColor(0, 0, 0); doc.text(`Risk Category: ${document.getElementById(‘riskCategory’).textContent}`, 15, 85); // Add interpretation doc.setFontSize(12); doc.text(‘Interpretation:’, 15, 95); const interpretation = doc.splitTextToSize(document.getElementById(‘interpretationText’).textContent, 180); doc.text(interpretation, 15, 102); // Add recommendations doc.setFontSize(12); doc.text(‘Recommendations:’, 15, 130); const recommendations = []; document.querySelectorAll(‘#recommendationsList li’).forEach(li => { recommendations.push(`• ${li.textContent}`); }); const recommendationLines = doc.splitTextToSize(recommendations.join(‘\n’), 180); doc.text(recommendationLines, 15, 137); // Add footer doc.setFontSize(10); doc.setTextColor(100, 100, 100); doc.text(‘This report is generated for informational purposes only and should not replace professional medical advice.’, 105, 280, { align: ‘center’ }); doc.text(‘Website: https://doseway.com/ | Email: support@doseway.com | WhatsApp: +92318-6144650’, 105, 287, { align: ‘center’ }); // Save the PDF doc.save(`Cancer_Recurrence_Risk_Assessment_${document.getElementById(‘patientName’).value.replace(‘ ‘, ‘_’)}.pdf`); } // Social sharing functions function shareOnFacebook() { const url = encodeURIComponent(window.location.href); const text = encodeURIComponent(`My cancer recurrence risk assessment result: ${document.getElementById(‘riskScore’).textContent} (${document.getElementById(‘riskCategory’).textContent})`); window.open(`https://www.facebook.com/sharer/sharer.php?u=${url}&quote=${text}`, ‘_blank’); } function shareOnTwitter() { const text = encodeURIComponent(`My cancer recurrence risk assessment result: ${document.getElementById(‘riskScore’).textContent} (${document.getElementById(‘riskCategory’).textContent})`); const url = encodeURIComponent(window.location.href); window.open(`https://twitter.com/intent/tweet?text=${text}&url=${url}`, ‘_blank’); } function shareOnLinkedIn() { const url = encodeURIComponent(window.location.href); const title = encodeURIComponent(‘Cancer Recurrence Risk Assessment’); const summary = encodeURIComponent(`My cancer recurrence risk assessment result: ${document.getElementById(‘riskScore’).textContent} (${document.getElementById(‘riskCategory’).textContent})`); window.open(`https://www.linkedin.com/shareArticle?mini=true&url=${url}&title=${title}&summary=${summary}`, ‘_blank’); } function shareOnWhatsApp() { const text = encodeURIComponent(`My cancer recurrence risk assessment result: ${document.getElementById(‘riskScore’).textContent} (${document.getElementById(‘riskCategory’).textContent})\n\nView more at: ${window.location.href}`); window.open(`https://wa.me/?text=${text}`, ‘_blank’); } });

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Free Cancer Recurrence Risk Calculator – Estimate Your Personalized Risk Online

Cancer recurrence refers to the return of cancer after treatment and after a period of time during which the cancer was undetectable. For many cancer patients and survivors, understanding the risk of recurrence is a critical part of ongoing care. Knowing this risk helps guide future medical decisions, lifestyle changes, and surveillance strategies.

A Cancer Recurrence Risk Calculator is an evidence-based tool designed to estimate the likelihood of cancer returning after initial successful treatment. This personalized risk calculator uses key clinical factors to generate a recurrence probability score.

What Is a Cancer Recurrence Risk Calculator?

The Cancer Recurrence Risk Calculator is a digital health tool developed using predictive models based on medical research and clinical data. It is primarily used by:

  • Cancer patients (especially breast, colon, and prostate cancer survivors)
  • Oncologists and healthcare providers
  • Caregivers and medical researchers

This tool uses clinical parameters such as:

  • Tumor size
  • Cancer stage
  • Lymph node involvement
  • Tumor grade
  • Biomarkers (e.g., ER, PR, HER2)
  • Age at diagnosis
  • Surgical and treatment history

to provide an individualized estimate of recurrence probability.

Key Terms and Parameters Used For Cancer Recurrence Risk Calculator

Here are the basic medical terms and parameters used in the recurrence risk calculator:

TermDefinition
Tumor SizeThe physical dimension of the tumor; larger tumors often carry a higher risk.
Lymph Node StatusIndicates whether cancer cells have spread to nearby lymph nodes.
Tumor GradeDescribes how abnormal the cancer cells appear; higher grades are more aggressive.
Cancer Stage (TNM)Represents Tumor size, Node involvement, and Metastasis presence.
ER/PR StatusEstrogen and progesterone receptor status affect recurrence and treatment.
HER2 StatusA protein that can affect cancer growth and recurrence likelihood.
Age at DiagnosisYounger age sometimes correlates with aggressive cancers.
Surgical MarginsWhether cancer was completely removed during surgery.
Adjuvant TherapyTreatments like chemotherapy, radiation, or hormone therapy are used after surgery.
Table: Terms and Parameters

Importance of Knowing Your Cancer Recurrence Risk

Understanding your recurrence risk allows:

  • Better decision-making for follow-up treatments or lifestyle modifications.
  • Monitoring strategies (e.g., more frequent scans for high-risk patients).
  • Psychological preparedness helps manage anxiety about cancer returning.
  • Treatment planning, including adjuvant therapy or clinical trial participation.

How the Cancer Recurrence Risk Calculator Works

This calculator works by:

  • Input Collection: The user enters clinical and pathological data such as tumor size, grade, lymph node involvement, and treatment history.
  • Algorithmic Analysis: Based on established recurrence models (e.g., Adjuvant! Online, PREDICT, Oncotype DX, MINDACT), the tool calculates the probability of cancer returning within a given time frame (usually 5–10 years).
  • Personalized Output: The calculator provides a recurrence risk percentage (e.g., 14% chance of recurrence in 5 years).
  • Recommendation Guidance: Based on the score, the tool may suggest consulting your oncologist, considering adjuvant therapy, or scheduling frequent checkups.

Explanation of the Results

When users receive their calculated risk, they typically see:

  • Low Risk (0–10%): Low probability of recurrence. Minimal further treatment may be needed.
  • Moderate Risk (11–25%): Consider additional treatment; close follow-up required.
  • High Risk (26% and above): Indicates a higher likelihood of recurrence; aggressive follow-up and possibly more therapy may be advised.

The results should always be interpreted in consultation with a healthcare provider. No calculator replaces a personalized medical opinion.

Who Should Use the Cancer Recurrence Risk Calculator?

This calculator is helpful for:

  • Breast cancer survivors after lumpectomy or mastectomy
  • Colorectal cancer patients post-surgery
  • Prostate cancer survivors under active surveillance
  • Patients considering adjuvant chemotherapy
  • Clinicians looking to educate patients about recurrence probabilities

Benefits of Using a Cancer Recurrence Risk Calculator

  • Accessible and Free
  • Evidence-based
  • Helps prioritize medical decisions
  • Educational and awareness-promoting
  • Privacy-protected (No data stored)

Final Thoughts

The Cancer Recurrence Risk Calculator is a practical and informative tool for cancer patients seeking to understand their future health risks. While it cannot replace clinical advice, it empowers individuals with data to make informed decisions and engage in proactive healthcare.

Whether you’re a survivor, caregiver, or medical professional, using this tool can foster better planning, early detection strategies, and mental preparedness.

FAQs

Is this calculator accurate?

It’s based on validated predictive models but should not be the sole basis for medical decisions.

Can I use this for all cancer types?

Currently, it’s best suited for breast, colon, and prostate cancers.

Does it store my data?

No, the tool is fully privacy-compliant and does not store any personal information.

Should I change my treatment based on the result?

Always discuss your results with an oncologist before making any treatment decisions.

Dr. Rehan is an expert medical professional dedicated to providing accurate and reliable healthcare content, upholding Doseway's commitment to excellence..

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