Tumour, node and metastasis (TNM) staging is the most common way that doctors stage stomach cancer. Doctors may also use the number staging system. Find out about the number staging system The stage ...

Medically reviewed by Marla Anderson, MD Breast cancer is a type of cancer that starts growing in the breast tissue.

This page is about stage 2 cancer, which is part of the number staging system. This system has 5 stages, stage 0 (high grade dysplasia) to stage 4. This page also tells you what stage 2 means in the ...

Several different staging systems for non-small cell lung cancer (NSCLC) are used worldwide, but the most widely used approach is the TNM system. A staging system helps doctors determine the best ...

The American Joint Committee on Cancer (AJCC) created a method of staging cancer called the TNM system. It’s used to describe how far the disease has spread. It’s based on the following three ...