In rectal cancer specifically ... Tumor-Node-Metastasis (TNM) Staging System: A classification system used to describe the extent of cancer spread, based on the size of the tumor (T), the ...

the historic staging system is a suboptimal strategy for colon cancer because it does not map easily to the staging schema that is commonly used by clinicians. The system most commonly used today is ...

The stage of melanoma skin cancer tells you how thick it is and how far it has spread. Doctors use different systems to stage melanoma. These include the TNM system and number staging system. The ...