How Is Breast Cancer Staged?
Cancers are divided into different groups, called stages, based on whether the cancer is invasive or non-invasive, the size of the tumor, how many lymph nodes are involved, and whether there is spread to other parts of the body.

Breast Cancer Staging Systems - Stage 1, Stage 2, Stage 3, Stage 4
Detailed information on breast cancer staging including breast cancer stages 1,2, 3, and 4, TMN staging and pathological staging.

Breast Cancer - Stage 1 Breast Cancer Treatment
Most women with stage 1 breast cancer are cured by surgery and radiation therapy. Some women may benefit from more treatment with chemotherapy.