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 (the endometrium) becomes abnormally thick. Endometrial Hyperplasia - StatPearls - NCBI Bookshelf - NIH hyperplasia
Hyperplasia is generally divided into two main categories based on how the cells look under a microscope: The cells look normal but are more numerous
