What stage is invasive carcinoma? Generally, the stage of invasive ductal carcinoma is described as a number on a scale of I through IV. Stages I, II, and III describe early-stage cancers, and stage IV describes cancers that have spread outside the breast to other parts of the body, such as the bones or liver.
Does invasive carcinoma mean cancer? Invasive ductal carcinoma is cancer (carcinoma) that happens when abnormal cells growing in the lining of the milk ducts change and invade breast tissue beyond the walls of the duct. Once that happens, the cancer cells can spread.
What does invasive carcinoma mean? Cancer that has spread beyond the layer of tissue in which it developed and is growing into surrounding, healthy tissues.
What is the most common type of invasive breast cancer? Invasive (or infiltrating) breast cancer has spread into surrounding breast tissue. The most common types are invasive ductal carcinoma and invasive lobular carcinoma. Invasive ductal carcinoma makes up about 70-80% of all breast cancers.