Cancer

Cancer Cancer I. Cancer is a group of diseases characterized by an uncontrolled growth of abnormal cells. If the diffuse of these abnormal cells is non controlled, raftcer can get death. Most cancers take the cause of tumors, although not all tumors are cancers. A tumor is scarcely a mass of new tissue that serves no physiologic purpose. It can be benign, equal a wart, or malignant, resembling cancer. Benign tumors are made up of cells similar to the circumvent normal cells and are enclosed in a membrane that prevents them from penetrating neighboring tissues. They are dangerous only if their animal(prenominal) heraldic bearing interferes with bodily functions.

A malignant tumor, or cancer, is opened of incursive surrounding structures, including blood vessels, the lymph system and nerves. It can similarly spread to distant sites by the blood and lymphatic circulation and so can produce invasive tumors in almost any furcate of the body. In 1997, an estimated 1,359,150 people in the United...If you want to position a full essay, order it on our website: BestEssayCheap.com

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