Breast cancer is the most common cancer in women in the United States. The diagnosis of breast cancer is made by biopsy. Staging is done to determine the prognosis, to direct therapies, and to report results in treatment research studies. The staging system of the American Joint Committee on Cancer Staging uses TNM (tumor, node, metastasis) classification. The primary tumor is evaluated by size, involvement of other tissues, status node, and presence or absence of distant metastasis. Non-invasive cancer (aka in-situ) has a better prognosis than invasive tumors. Tumor size is an independent prognostic factor. Each involved node worsens the prognosis.
For breast cancer, the mortality risk varies with the stage of the cancer
|Case by case||Standard to postpone|
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Breast Cancer eQuestionnaire