TNM Cancer Staging Calculator

Used by radiation, medical and surgical oncologists worldwide since [year]. Fast, offline TNM staging for every major site, with stage groups at a glance.

Your pocket reference for the internationally recognised TNM classification — fully updated for the current 8th Edition staging criteria and beyond. This app delivers clear, accurate, and instantly accessible staging information for over 60 cancer sites across all major categories.

Why people worldwide choose us • Always current – We continuously monitor the published oncology literature, including PubMed, for staging updates. New definitions are verified by our clinical review team and pushed within days. • 8th Edition ready – Includes the latest criteria for lung, breast, head & neck, HPV-related oropharyngeal, thymus, bone/soft tissue, neuroendocrine, pediatric, and many more. • 100% public sources – Every definition comes from freely available, peer-reviewed literature. (Sources available for each site in the app!) • Local-first – Full database cached on your device. Works anywhere, anytime. Works completely offline for premium users. • Zero ads • Zero tracking • No mandatory login – Use anonymously or sign in only for favorites and premium features.

Key Features • Intuitive navigation: Category → Site → Complete TNM details in seconds • Detailed T, N, M definitions, stage groupings, histologic grades, and clinical notes • Powerful search across all sites and editions • Save favorites for one-tap access • Push notifications for major updates or changes to your saved sites • "First-of-World" stage management for each stage calculation! • Management updates for major cancer sites • Clean interface designed for quick bedside or tumor board use

Reviewed by Clinicians We use software tooling to scan the published literature for changes. When a correction or new criterion is published, the app extracts only the changed content, our specialist review team validates it, and you receive it — often before it appears in textbooks.

Privacy-First • No personal health information collected • No location tracking

Important Disclaimer This app provides an organized reference interface for cancer staging criteria drawn from publicly available, peer-reviewed literature. It is for educational and informational purposes only and does not provide medical advice, diagnoses, or treatment recommendations. Always seek a doctor's advice before making any medical decisions.

TNM Cancer Staging is an independent educational tool. It is not affiliated with, endorsed by, or produced in partnership with any staging body, guideline organisation, professional society or publisher.

Subscriptions Premium is available as an auto-renewing monthly (1 month) or yearly (1 year) subscription. Prices are shown in the app before purchase. Payment is charged to your Apple ID at confirmation of purchase and renews automatically unless auto-renew is turned off at least 24 hours before the end of the period. Manage or cancel in your account settings. Cancelling stops future renewals; the period already paid for is charged in full and is not refunded.

Terms of Use (EULA): https://cancer-staging-app.web.app/terms Privacy Policy: https://cancer-staging-app.web.app/privacy Support: https://cancer-staging-app.web.app/support

Join thousands of clinicians already using a trusted mobile TNM reference.

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