Tumor is a gathering of infections including unusual cell development with the possibility to spread to different parts of the body .It can be either benign or malignant cancer that possesses no physiological function and arises from uncontrolled usually rapid cellular proliferation. Not all tumors are harmful; kindhearted tumors don't spread to different parts of the body. Conceivable signs and indications incorporate a protuberance, strange dying, delayed hack, unexplained weight reduction and an adjustment in defecations. While these side effects may demonstrate tumor and it may have different causes, there are more than 100 cancers that affect humans. The pathology related to tumors is known as cancer pathology. It is the task of the surgical pathologist to provide an accurate, specific, and sufficiently comprehensive diagnosis to enable the clinician to develop an optimal plan of treatment and, to the extent possible, estimate prognosis of cancer through pathological report.