Breast Cancer

Breast cancer is a malignant tumor that starts in the cells of the breast. It is the most common type of cancer in women, and it can occur at any age. The cause of breast cancer is not known, but there are risk factors that increase a woman’s chance of developing the disease. Symptoms of breast cancer include a lump or mass in the breast, swelling or enlargement of the breast, nipple discharge, and pain in the breast.