Cancer is the uncontrolled growth of abnormal cells in the body. Cancerous cells are also called malignant cells. Cells are the building blocks of living things. Cancer grows out of normal cells in th

Breast cancer is a cancer that starts in the tissues of the breast. In rare cases, breast cancer can start in other areas of the breast. Breast cancer may be invasive or noninvasive. Invasive means it

Colon, or colorectal, cancer is cancer that starts in the large intestine (colon) or the rectum (end of the colon). Other types of cancer can affect the colon, such as lymphoma, carcinoid tumors, mela

Lung cancer is cancer that begins in the lungs, the two organs found in the chest that help you breathe. The lungs are made up of areas called lobes. The right lung has three lobes; the left lung has

Cervical cancer is cancer that starts in the cervix, the lower part of the uterus (womb) that opens at the top of the vagina. Worldwide, cervical cancer is the third most common type of cancer in wom

Prostate cancer is cancer that starts in the prostate gland. The prostate is a small, walnut-sized structure that makes up part of a man's reproductive system. It wraps around the urethra, the tube th

Ovarian cancer is cancer that starts in the ovaries. The ovaries are the female reproductive organs that produce eggs. Ovarian cancer is the fifth most common cancer among women, and it causes more de

Bladder cancer is a cancerous tumor in the bladder. The bladder is the organ in the center of the lower abdomen that holds urine. Transitional cell carcinoma of the bladder; Urothelial cancer