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cancer

(Encyclopedia) cancer, in medicine, common term for neoplasms, or tumors, that are malignant. Like benign tumors, malignant tumors do not respond to body mechanisms that limit cell growth. Unlike…

Cancer

(Encyclopedia) Cancer [Lat.,=the crab], in astronomy, constellation lying on the ecliptic (the sun's apparent path through the heavens) between Gemini and Leo; it is a constellation of the…

ward

(Encyclopedia) ward. 1 In English history, see hundred. 2 In law, see guardian and ward. 3 In local government, see city government.

Preventing Cancer

By choosing a lifestyle that avoids certain risks, you can help protect yourself from developing cancer. Many cancers are linked to factors that you can control. Tobacco. Smoking and using…

prostate cancer

(Encyclopedia) prostate cancer, cancer originating in the prostate gland. Prostate cancer is one of the most common malignancies in men in the United States, second only to skin cancer, and as a…

Tropic of Cancer

(Encyclopedia) Tropic of Cancer, parallel of latitude at 23°30&minut; north of the equator; it is the northern boundary of the tropics. This parallel marks the farthest point north at which the…

lung cancer

(Encyclopedia) lung cancer, cancer that originates in the tissues of the lungs. Lung cancer is the leading cause of cancer death in the United States in both men and women. Like other cancers, lung…

breast cancer

(Encyclopedia) breast cancer, cancer that originates in the breast. Breast cancer is the second leading cause of cancer death in women (following lung cancer). Although the vast majority of the cases…

colon cancer

(Encyclopedia) colon cancer, cancer of any part of the colon (often called the large intestine). Colon cancer is the second most common cancer diagnosed in the United States. Epidemiological evidence…

skin cancer

(Encyclopedia) skin cancer, malignant tumor of the skin. The most common types of skin cancer are basal cell carcinoma, squamous cell carcinoma, and melanoma. Rarer forms include mycosis fungoides (a…