<prompt> A lady presented with carcinoma endometrium involving 50 of myometrium extending to vagina and positive peritoneal cytology but no involvement of para aortic and pre aortic nodes.What is the stage of disease?III AIII BIII C1III C2  <response>: As discussed earlier, 50 myometrial invasion means stage IC, positive peritoneal cytology puts it in stage III-A.Vaginal metastasis means stage III B cancer and since this is the highest stage.Therefore, this patient has endometrial cancer belonging to stage III B. 