Staging helps guide treatment and predict prognosis. One system often used to stage cancer is called the TNM staging system.

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 ...

They can help you to understand more about the TNM stage of the melanoma. Doctors might also use a number staging system. This has 5 different stages - from stage 0 to stage 4. They might also use a ...

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 ...