St Mark’s Services

St Mark’s is recognised as a national and international centre of clinical excellence for diagnosis and treatment of intestinal and colorectal disorders. We are proud of the range of clinical services we offer, covering all aspects of colorectal disease and intestinal failure. Click on the links to find out more information about the clinical services we offer.


St Mark’s Endoscopy
Colonoscopy, Flexible Sigmoidoscopy, Upper Gastrointestinal Endoscopy (OGD), Double Balloon Enteroscopy (DBE), Video Capsule Endoscopy (VCE), Polypectomy, Endoscopic Retrograde Cholangio-pancreatography (ERCP)
Bowel Cancer Screening


Inflammatory Bowel Disease

Fistula Surgery

Anal Fistula
Rectovaginal Fistula

Intestinal Rehabilitation

The Lennard-Jones Intestinal Rehabilitation Unit

Stoma and Pouch Care Services

Stoma and Pouch Care

Polyposis and Lynch Syndrome

The St Mark’s Centre For Familial Cancer (Polyposis)
The Lynch Syndrome Clinic

Physiology, Biofeedback and Pelvic Floor

Sir Alan Parks Physiology and Pelvic Floor Biofeedback Unit
Pelvic Floor Surgery

Hepatology (The Liver)

Hepatology (The Liver)

Radiology & Histopathology

CT Colonography
Radiology (intestinal imaging)

Cancer Services

Complex Cancer Clinic 
Enhanced Recovery Programme
Gastrointestinal Consequences of Cancer
Macmillan Colorectal Cancer Team
Specialist Practitioners

Psychological Medicine

Psychological Medicine Unit