Medical

Cancer of the male sex organ (testicle) that normally produces the hormone testosterone. One of the most common cancers in young men.

A malignant tumor arising from the inner wall of the end of the large intestine (rectum). In the US, it is the third leading cause of cancer in males and the fourth in females.

Cancer of the gland (prostate) that produces some of the components of semen fluid. The second leading cause of death of males in the U.S.

A malignant tumor of the prostate, the gland that produces some of the components of semen. Prostate cancer is the second leading cause of death of males in the US.

A malignant tumor of the pancreas. Pancreatic cancer has been called a 'silent' disease because early pancreatic cancer usually does not cause symptoms.

See: Pancreatic cancer.

Cancer of the egg sac of females: the ovary. The anatomic location of the ovaries: Most ovarian growths (tumors) in women under age 30 are benign, fluid- filled cysts. These cysts are not cancerous.

A malignant tumor of the ovary, the egg sac in a female. Women who have a family history of ovarian cancer are at an increased risk of developing ovarian cancer.

A skin cancer that begins in cells called melanocytes that can grow together to form benign (not cancerous) moles. A change in size, shape, or color of a mole can be a sign of melanoma.

A skin cancer that begins in cells called melanocytes that can grow together to form benign (not cancerous) moles. A change in size, shape, or color of a mole can be a sign of melanoma.