Cancer is not a single disease. It includes a large group of varied disorders that share major traits. The first sign of cancer is an enlargement of the area. The tumor then infects other cells near it, and if it's really advanced, these cells may break away from the tumor and spread the cancer throughout your body. Although many people believe that your survival rate is low if you're diagnosed with cancer, patients usually have high recovery rates. There are many different types of treatment that doctors can give to their patients. The three main types are surgery, radiation, and chemotherapy. Surgery is quick, usually effective, and it accounts for the most c