Endometrial cancer is cancer that starts in the womb. The uterus is the hollow, pear-shaped pelvic organ in women in which the fetus develops. Uterine cancer is the abnormal growth of uterus (female reproductive organ) cells. Endometrial cancer begins in the cell layer that forms the uterine lining (endometrium) of the uterus. Endometrial cancer is sometimes called uterine cancer. Other types of cancer can develop in the uterus, including uterine sarcoma, but they are much less common than uterine cancer. Till the date, the exact cause of uterine cancers is not known but it is thought of some researchers that endometrial overgrowth, obesity, menopause, radiation exposure to the pelvis may be the reason of this cancer. Common signs and symptoms of uterine cancer include pelvic pain, abnormal vaginal bleeding or discharge, pain during sexual intercourse or urination. For treatment purpose chemotherapy, radiotherapy or surgical excision is used. Endometrial cancer is often detected early as it often causes abnormal vaginal bleeding. When endometrial cancer is detected early, removal of the uterus often cures endometrial cancer.