"Question ID","Question","Discussion","Answer","Year" "20000845","Primary Site: What code should be used to represent the site for an ""extraovarian"" papillary serous adenocarcinoma located in the ""rectal muscle sheath""? See discussion.","The location of the tumor in the rectus muscle sheath is unusual and suggests an origin within a preexisting mullerian.","Code the Primary Site field to C49.4 [connective, subcutaneous and other soft tissues of the abdomen].","2000"