Hyperplasia -

This occurs when the lining of the uterus (the endometrium) becomes abnormally thick. Endometrial Hyperplasia - StatPearls - NCBI Bookshelf - NIH

The cells look abnormal or "atypical." This is considered a precancerous condition and carries a significantly higher risk of progressing to cancer if left untreated. 1. Endometrial Hyperplasia (Uterus) hyperplasia

The cells look normal but are more numerous than they should be. This type carries a low risk of becoming cancer. This occurs when the lining of the uterus