An<unk> , formally known as<unk>  of the rectum and<unk>  excision of the rectum is a surgery for rectal cancer or anal cancer. It is frequently abbreviated as AP<unk> ,<unk>  and<unk> .
Abdominoperineal resection
Lower anterior resection
Total mesorectal excision
Segmental resection
Transcatheter arterial chemoembolization
Pinealectomy
Pancreaticoduodenectomy
Coloanal anastomosis