Part one of term paper
I. is a group of diseases characterized by an uncontrolled growth of abnormal cells. If the spread of these abnormal cells is not controlled, can cause death. Most s take the form of tumors, although not all tumors are s. A tumor is simply a mass of new tissue that serves no physiological purpose. It can be benign, like a wart, or malig ...

Part two of term paper
... structures, including blood vessels, the lymph system and nerves. It can also spread to distant sites by the blood and lymphatic circulation and so can produce invasive tumors in almost any part of the body. In 1997, an estimated 1,359,150 people in the United States will be diagnosed with cancer and 554,740 will die of the disease. Early screening for cancer is believed to be able to drastically reduce the number of deaths due to the disease. Knowing what to look for when detecting cancer, a ...