Malignant neoplasm of breast
Breast cancer is a condition where cells in the breast grow out of control, forming a tumor that can potentially spread to other body parts.
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Find General PhysiciansClinical Overview
A malignant neoplasm of the breast, commonly known as breast cancer, occurs when cells in the breast tissue begin to multiply uncontrollably. These cells form a mass called a tumor, which can invade nearby healthy tissue and interfere with the body's normal functions.
The breast is made up of milk-producing glands called lobules and small tubes called ducts that carry milk to the nipple. Most breast cancers start in these ducts or lobules. When these cells change and grow abnormally, they can move through the lymph system—a network of vessels that helps the body fight infection—to reach other areas of the body.
Common Symptoms
- A new, hard, or painless lump in the breast or underarm.
- A change in the size or shape of the breast.
- Puckering, dimpling, or redness of the breast skin, which can look like the surface of an orange.
- Nipple discharge that is not breast milk.
- Inward pulling or persistent pain in the nipple area.