P hil Harris, the salty skipper of the Cornelia Marie on the Discovery Channel's Deadliest Catch, has died.
The condition, though non-cancerous, is sometimes associated with uterine cancer. Endometrial hyperplasia describes a condition in which the lining of the uterus, called the endometrium, becomes too thick. The condition itself is not cancerous; however, it sometimes can lead to uterine cancer.
The wall of the uterus is thick and has 3 layers: 1  endometrium â The inner layer that lines the uterus. 2  myometrium â The middle layer, which is made up mostly of smooth muscle. 3  perimetrium â The outer serous layer that covers the body of the uterus and part of the cervix.