Surgery of the Anus, Rectum, and Colon

abdominal abscess adenomas Amer anal canal anal fissure anal fistula anal region anal sphincter anastomosis anorectal anus artery barium enema biopsy bladder bleeding Brit carcinoma catgut cells cent clamp clinical colectomy colon and rectum colostomy combined excision complete complications defaecation diagnosis diathermy dilatation dissection distal edge examination external faecal faeces forceps glands Goligher growth Gynec haemorrhoidectomy haemorrhoids healing Hirschsprung's disease histological iliac incidence incision inferior mesenteric injection internal sphincter large bowel large intestine lateral lesion levator ligation ligature lower lumen lymphatic malignant metastases method mucosa muscle normal Obstet obstruction occur opening operation palpation patients pelvic perforation perineal peritoneal peritoneum piles pilonidal pilonidal sinus polyposis polyps post-operative posterior Proc proctoscope pruritus rectal excision rectal prolapse rectosigmoid rectum recurrence removed resection sacral sacrum sigmoidoscope sinus stitch stump Surg surgeon surgery survival rate suture symptoms technique tissue treated tube tumour ulcerative colitis upper ureter usually vessels wall whilst wound