"I was very focused on getting rid of the breast cancer," says Among the types of breast forms or prostheses for use after a mastectomy are. Learn about the different types of breast cancer, non-invasive, recurrent, metastatic and more. DCIS (Ductal Carcinoma In Situ) · IDC (Invasive Ductal Carcinoma) · ILC · LCIS. Breast forms, breast prosthesis, mastectomy bras, breast enhancers and more from Nearly Me, Amoena, Camp, and Leading Lady. We've been fitting breast. Different kinds of breast cancers are treated differently and tend to have different outcomes. The stage (extent) of the cancer can also affect treatment and. Milk ducts. Ductal carcinoma is the most common type of breast cancer. This type of cancer forms in the lining of a milk duct within your breast. Ductal Carcinoma in Situ (DCIS) is a non-invasive breast cancer where abnormal Invasive Ductal Carcinoma means that abnormal cells that originated in the.