<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 diseaseIll AIll C2Ill C1Ill B  <response>: Endometrial cancer stage III:Stage IIIA: Involvement of uterine serosa and or adnexaStage IIIB: Involvement of vagina andor parametriumStage IIIC:IIIC1: Positive Pelvic nodesIIIC2: Positive Paraaortic nodes with or without positive pelvic nodesPositive peritoneal cytology doesnt alter the stage 