Mostly doctors use biopsy to make a diagnosis of cancer. A biopsy is a method where doctor removes a sample of tissue. A pathologist then observes at the tissue by using of a microscope to see if it is cancer. The sample may be removed in several ways namely with a needle or endoscope or surgery. There is no one test that can surely diagnose cancer presence. The complete examination of a patient usually requires a thorough history and physical testing’s along with diagnostic testing. Numbers of tests are required to detect whether a person has cancer or not.