Part 1 of Essay
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. Althou ....

Part 2 of Essay
.... a lot of the healthy tissue surrounding the area. This could damage the person's system and their appearance. Also, cancer sometimes forms around structures that can't be taken out, like an organ. In these cases, surgery alone is basically useless. Radiation therapy is another option, and many doctors prefer this in many cases. When a patient receives radiation therapy, gamma rays are sent in to treat the region that the tumor is in. Patients usually receive five to eight weeks of treatments every day, but they d ....