The differentiated carcinoma components in the 11 SWI/SNF‐intact DDEC were grade 1 endometrioid in 4, grade 2 endometrioid in 4, grade 3 endometrioid in 1 and serous (abnormal p53 overexpression mutation‐type pattern in both serous and undifferentiated components) in 2 cases. The gene discussed is TP53; the disease is carcinoma.