Following are precursors of endometrial carcinoma except :
Endometrial atrophy is the most common cause of post menopausal bleeding Reference :Textbook of Gynaecology; Sheila balakrishnan; 2nd edition; Pg no:245
Atypical adenomatous hyperplasia
Atrophic endometrium
Adenocarcinoma in situ
Cystic hyperplasia
Gynaecological oncology