The staging of non-small cell lung cancer (NSCLC) involves the TNM classification system, used to assess the growth of the cancer and evaluate treatment options. The TNM system categorizes the ...

Doctors use different systems to stage melanoma. These include the TNM system and number staging system. The number staging system goes from stage 0 to stage 4. Stage 0 melanoma is also called ...

Stage 0 is part of the number staging system. This goes from stage 0 to stage 4. It tells you how thick the melanoma is and if the cancer cells have spread to the lymph nodes or other parts of your ...