Prognoses for IDC vary based on individual factors and the stage at which the cancer is discovered, according to Johns Hopkins Medicine. WebMD cites additional factors, such as size and location of tumors, cancer cell lab results, age, general health, menopause status and personal opinions regarding treatment options.
IDC is the most common type of breast cancer, at about 80 percent of total cases, according to BreastCancer.org. Most women are over age 55 when they are diagnosed with IDC. Local treatment options include surgery and radiation therapy, whereas systematic options include chemotherapy, hormonal and biologic therapies. The objective of these treatments is to destroy cancer cells and keep them from growing back, and a doctor typically recommends a combination of several treatment options.