Endometrial Cancer is a type of cancer begins within the ovaries which are sized of almond that which involves in producing of eggs. Endometrial cancer arises from the endometrial layer (the lining of the uterus/womb). This is caused by the abnormal growth of the cells that which have a capability to spread and invade the normal cells and functioning of the other systems. Sometimes it is also referred to as uterine cancer. This is the type of cancer in which relatively known as Endometrioid carcinoma. The main symptom of this cancer is vaginal bleeding which is not associated with the menstrual cycle, and this endometrial cancer often mostly occurs after menopause. We can also consider that the cancer is caused by the excess exposure of uterine walls to the estrogen levels. While considering the cause of this cancer 2-5% cases are related to the genes inherited from the parents. Prolonged menstrual cycles more than 35 days may become severe condition which leads patient to endometriosis.