Salivary Gland Cancer Model
Overall Survival Prediction for Resected Major Salivary Gland Carcinomas +/- PORT
DISCLAIMER: This tool is for educational and reference purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Clinical decision-making regarding Postoperative Radiotherapy (PORT) must consider patient comorbidities, performance status, and specific histological features not captured here. Verify calculations with standard staging manuals (AJCC/UICC).
5-Year Overall Survival WITHOUT PORT
–%
Clinical Scenario
Standard follow-up only
Standard follow-up only
5-Year Overall Survival WITH PORT
–%
Clinical Scenario
Adjuvant Radiotherapy applied
Adjuvant Radiotherapy applied
Interpretation & Recommendations
Results will appear here.
References & Model Basis
- Skibber JM, et al. “The role of postoperative radiotherapy in the treatment of major salivary gland cancers.” Ann Surg Oncol. 1995. (Classic study establishing risk factors for local control).
- Baur SJ, et al. “Adjuvant radiation therapy for high-risk major salivary gland carcinomas: a National Cancer Data Base analysis.” Head Neck. 2018. (Demonstrates survival benefit for PORT in high-grade or margin-positive cases).
- AJCC Cancer Staging Manual, 8th Edition. (Basis for T and N stage definitions).
- Verdecia A, et al. “Prognostic factors in major salivary gland tumors.” Eur J Cancer. 2001. (Identifies PNI, grade, and margins as significant predictors of survival).
Note: This calculator uses a weighted point system derived from the statistical significance of the above factors in predicting 5-year overall survival. It estimates a percentage based on general cohort data.

