<prompt> A perimenopausal lady with well differentiated adenocarcinoma of uterus has more than half myometrial invasion, vaginal metastasis and inguinal lymph node metastasis. She is staged as:Stage IIIBStage IIICStage IV AStage IV B  <response>: The lady in above question has cancer spread to inguinal lymph nodes i.e. stage IVB. 