Breast cancer is a disease in which cells in the breast grow out of control. There are different kinds of breast cancer. ... Most breast cancers begin in the ducts or lobules. Breast cancer can spread outside the breastthrough blood vessels and lymph vessels.
Symptoms may include:
- A lump or mass in the breast.
- Swelling of all or part of the breast, even if no lump is felt.
- Skin irritation or dimpling.
- Breast or nipple pain.
- Nipple retraction (turning inward)
- The nipple or breast skin appears red, scaly, or thickened.
- Nipple discharge.
