Cancer & Tumors terms

A term for diseases in which abnormal cells divide without control and can invade nearby tissues.

A substance that may be found in high amounts in the blood of patients with certain types of cancer, including ovarian cancer.

The occurrence of a larger-than-expected number of cases of cancer within a group of people in a geographic area over a period of time.

The Cancer Information Service is the National Cancer Institute's link to the public, interpreting and explaining research findings in a clear and understandable manner, and providing personalized…

A rare cancer that forms in the outer layer of tissue of the adrenal gland (a small organ on top of each kidney that makes steroid hormones, adrenaline, and noradrenaline to control heart rate…

A case in which cancer cells are found in the body, but the place where the cells first started growing (the origin or primary site) cannot be determined.

A vaccine designed to prevent or treat cancer.

Cancer that begins in the skin or in tissues that line or cover internal organs.

A group of abnormal cells that remain in the place where they first formed.

A case in which cancer cells are found in the body, but the place where the cells first started growing (the origin or primary site) cannot be determined.

A malignant tumor that is a mixture of carcinoma (cancer of epithelial tissue, which is skin and tissue that lines or covers the internal organs) and sarcoma (cancer of connective tissue, such as…

A rare cancer that develops in tissues of the heart.

Cancer that has spread from the original (primary) tumor to the central nervous system (CNS).

A type of cancer that arises from a particular type of cell within the brain or spinal cord.

A tumor of the central nervous system, including brain stem glioma, craniopharyngioma, medulloblastoma, and meningioma.

Cancer that forms in tissues of the cervix (the organ connecting the uterus and vagina).

A type of cancer that forms in bone cartilage.

A type of cancer that grows into the muscular wall of the uterus.

A malignant, fast-growing tumor that develops from trophoblastic cells (cells that help an embryo attach to the uterus and help form the placenta).

A rare type of cancer that occurs in the ventricles of the brain.