This is referred to as stage 0. Invasive infiltrating cancer is cancer that has spread to surrounding tissues. These are categorized as stages 1, 2, 3, or 4. The tissue affected determines the type of cancer: Ductal carcinoma is a cancer that forms in the lining of the milk ducts. This is the most common type of breast cancer. Lobular carcinoma is cancer in the lobules of the breast.
Suspicious breast lumps - Symptoms and causes - Mayo Clinic
Outlook Lumps can occur in the left or right breast, or in both breasts. There are many types of breast lump, most of which are harmless. Doctors diagnose breast cancers more often in the left breast than the right. That said, around 80 percent of breast lumps turn out to be noncancerous. A breast lump may appear near the surface of the skin, deeper inside the breast tissue, or closer to the armpit area.
Print Overview A breast lump is a growth of tissue that develops within your breast. Finding a lump in your breast can be frightening and provoke anxiety. Most breast lumps aren't dangerous, but it's important to see your doctor to have them evaluated promptly. Suspicious breast lump care at Mayo Clinic Symptoms Breast tissue normally might feel lumpy or ropy and you may have tenderness that comes and goes with your menstrual period. If you have an underlying breast condition, you might notice changes in how your breasts normally feel, such as: A round, smooth and firm breast lump A large, solid-feeling lump that moves easily under your skin A hard, irregular-shaped breast lump Skin redness or dimpling like an orange Changes in breast size or shape Fluid leaking from your nipple Causes Breast lumps can result from: Breast cysts.
Most lumps are not breast cancer, but something less serious, such as a benign not cancer breast condition. Some lumps will go away on their own. In younger women, lumps are often related to menstrual periods and will go away by the end of the cycle. However, if you find a lump or any change in your breast or underarm area , see your health care provider to be sure it's not breast cancer.