Siwan Thomas-gibson MBBS, BSc, FRCP, MD

Dr Siwan Thomas-Gibson is a gastrointestinal endoscopist and luminal gastroenterologist. She has been a consultant at the hospital since 2006. Since 2011 she has been the Clinical lead for the department and the deputy director of the Bowel Cancer Screening unit. Her specialist interests include the prevention, diagnosis and endoscopic management of pre-cancerous colonic lesions, both as a screening procedure but also in patients with inflammatory bowel disease and those at increased risk of developing colorectal cancer. She specialises in advanced endoscopic imaging and complex therapeutic endoscopy including endoscopic mucosal resection, colonic stricture dilation and colonic stent insertion.