TP53 and serous adenocarcinoma: According to the 5th edition of the WHO Classification of Female Reproductive Organ Tumors, 83 cases were classified as endometrioid adenocarcinoma; 4 as serous carcinoma, of which 3 were NSMP and 1 was p53 abnormal; 1 case as clear cell carcinoma, and 1 as middle nephric adenocarcinoma, both NSMP; and 1 case of dedifferentiated carcinoma was MMRd.