abdominoperineal resection
anal fistula
anterior discoid rectal resection
appendiceal carcinoid
benign neoplasm of colon
colonic squamous cell carcinoma
colostomy
colovesical fistula
complex hernia repair
inflammatory bowel disease
intestinal obstruction
laparoscopic bowel resection
minimally invasive colon resection
perianal hematoma
pilonidal disease
proctocolectomy
proctoplasty for stenosis
proctosigmoidoscopy
rectal abscess
rectal bleeding
rectal prolapse
rectourethral fistula
repair of colovaginal fistula
repair of rectocele
sphincteroplasty