The external pouch of skin that contains the testicles. The inability to produce children. A procedure to remove or repair a part of the body or to find out if disease is present. Affecting the entire body. An abnormal mass of tissue that results from excessive cell division.
Tumors perform no useful body function.
Substances sometimes found in an increased amount in the blood, other body fluids, or tissues and which may suggest the presence of some types of cancer. Also called biomarkers.