Radical debulking, involving the radical excision of a macroscopically disseminated gynaecological malignancy from the pelvic cavity, including resection of peritoneum from the following:(a) the pelvic side wall;(b) the pouch of Douglas;(c) the bladder;for macroscopic disease confined to the pelvis, not being a service associated with a service to which item 35721 applies (H) (Anaes.) (Assist.)