- (cancer) any malignant growth or tumor caused by abnormal and uncontrolled cell division; it may spread to other parts of the body through the lymphatic system or the blood stream
- (cancer) (astrology) a person who is born while the sun is in Cancer
- (cancer) a small zodiacal constellation in the northern hemisphere; between Leo and Gemini
- (cancer) the fourth sign of the zodiac; the sun is in this sign from about June 21 to July 22
- (cancer) type genus of the family Cancridae
- (cancerous) relating to or affected with cancer; "a cancerous growth"
- (Cancer (album)) Cancer is an album by My Disco, released on November 7, 2006. The album marked a change in direction for the band, further into math rock, shifting towards minimalism, a theme further explored and refined in the following album Paradise. The album was recorded in mid 2006.
- (Cancer (band)) Cancer was a British death / thrash metal band formed in Ironbridge, Telford, Shropshire in 1988. Over the course of their career they released five full-length albums, including one for the major label East West, breaking up in 2006.
- (Cancer (comics)) Cancer is a fictional character in the Marvel Universe.
- (Cancer (constellation)) Cancer is one of the twelve constellations of the zodiac. Its name is Latin for crab and it is commonly represented as such. Its symbol is . Cancer is small and its stars are faint. ...
- (Cancer (genus)) Cancer is a genus of marine crabs, including familiar crabs of the littoral zone, such as the edible crab and the Jonah crab.
- (Cancer (journal)) Cancer is a peer-reviewed academic journal published by John Wiley & Sons for the American Cancer Society as their official journal. The journal started publication in 1948. ...
- (Cancer) The genus containing crabs
- (cancer) A disease in which the cells of a tissue undergo uncontrolled (and often rapid) proliferation
- (cancer) malignant tissue that is invasive, destroys healthy tissue, and tends to spread to distant locations.
- (Cancer) Refers to a disease where the cells divide in an uncontrolled manner.
- (Cancer) An abnormal growth of cells which tend to proliferate in an uncontrolled way and, in some cases, to metastasize (spread).
- (Cancer) A group of diseases characterized by uncontrolled cell growth. Cancer cells, unlike benign cells, exhibit the properties of invasion and metastasis.
- (cancer) The uncontrolled proliferation of abnormal cells that have the ability to invade surrounding tissue and spread to distant sites in the body.
- (Cancer) A malignant and invasive growth or tumor.
- (Cancer) A disease that occurs when abnormal cells in a part of the body divide and grow uncontrolled.
- (Cancer) A disease that can develop when cells begin to grow out of control due to damage to the cells' DNA. This often results in tumors.
- (Cancer) A group of diseases in which malignant cells grow out of control and spread to other parts of the body.
- (Cancer) any MALIGNANT growth.
- (Cancer) A malignant tumor of potentially unlimited growth.