TNM Online is an indispensable tool for all oncologists and other professionals who employ the TNM classification system in assessing the diagnosis, treatment, and prognosis of patients with cancer.

This online database includes the following UICC reference works in a single fully searchable online format:

TNM Classification of Malignant Tumours

TNM Classification is the internationally accepted system for "staging" all forms cancer. TNM Classification staging is considered the most significant prognostic factor for cancer.

Prognostic Factors in Cancer

Examines the issues surrounding prognosis in general and more specifically in cancer patients, including accuracy of measurement of prognosis, the methodology of studying and classifying prognostic factors and the application of prognostic factors in clinical decision-making in the treatment of cancer.

TNM Supplement: A Commentary on Uniform Use

Extends and clarifies The Union for International Cancer Control (UICC) TNM Classification of Malignant Tumours, providing additional data that unifies the principles and practice of cancer staging.

The TNM Supplement provides explanations and examples to answer many questions that might arise during the daily use of TNM, particularly in unusual cases. It enumerates the recommended criteria for pathological classification (pT and pN) and contains proposed classifications for new tumour sites and types not yet part of the official UICC TNM system.