For more information from the National Cancer Institute ¹ about pituitary tumors, see the Pituitary Tumors Home Page ².

For general cancer information and other resources from the National Cancer Institute, see the following:

• What You Need to Know About™ Cancer - An Overview ³
• Understanding Cancer Series: Cancer ⁴
• Staging: Questions and Answers ⁵
• Chemotherapy and You: Support for People With Cancer ⁶
• Radiation Therapy and You: Support for People With Cancer ⁷
• Coping with Cancer: Supportive and Palliative Care ⁸
• Cancer Library ⁹
• Information For Survivors/Caregivers/Advocates ¹⁰

Glossary Terms

A term for diseases in which abnormal cells divide without control and can invade nearby tissues. Cancer cells can also spread to other parts of the body through the blood and lymph systems. There are several main types of cancer. Carcinoma is a cancer that begins in the skin or in tissues that line or cover internal organs. Sarcoma is a cancer that begins in bone, cartilage, fat, muscle, blood vessels, or other connective or supportive tissue. Leukemia is a cancer that starts in blood-forming tissue such as the bone marrow, and causes large numbers of abnormal blood cells to be produced and enter the blood. Lymphoma and multiple myeloma are cancers that begin in the cells of the immune system. Central nervous system cancers are cancers that begin in the tissues of the brain and spinal cord. Also called malignancy.