Cancer is a term used for diseases in which irregular cells divide without any control and have the capability to penetrate and infect normal body tissue through the blood and lymph system. Cancer is the second leading cause of mortality in the United States, exceeded barely by heart disease. According to the CDC Cancer Statistics and Data, there were more than 1.45 million people diagnosed with various kind of cancer between 1999 and 2007 and out of those more than 562,000 people died due to cancer (cdc.gov, 2012). Currently there are more than 200 different types of cancer that have been discovered. Cancer could be developed in any organ of the body. There are more than 60 different organs in the body where cancer cells can form and invade body tissues. While the origin of several cancers remains unknown, there are several cancers that are caused due to various reasons like exposure to chemicals, great alcohols intake, smoking, atmosphere poisons, sunlight disclosure, inherited, radiations, and illness. This paper will talk about the approach to, diagnosing of and staging of cancer, as well as the symptoms, side effects of treatment, and methods used to diminish physical and psychological effects of cancer and treatment.…