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+44 (0)207 935 4444
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+44 (0)207 616 7693
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+44 (0)203 219 3315
Mr Shahab Siddiqi
Consultant Colorectal Surgeon
Mr Siddiqi is a consultant colorectal surgeon specialising in pelvic floor conditions (constipation, faecal incontinence and prolapse), irritable bowel syndrome, functional gastrointestinal disorders, gastrointestinal motility disorders, pruritus ani and robotic surgery.
Mr Gregory Thomas
Consultant Colorectal Surgeon
Mr Thomas is a consultant general surgeon specialising in colorectal surgery. He has particular expertise in pelvic floor surgery, including incontinence, rectal prolapse and constipation. He also has a strong interest in other benign colorectal disorders such as proctology and abdominal wall hernia. He is a consultant colorectal surgeon at St Mark's Hospital, London.
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Professor Siwan Thomas-Gibson
Consultant Gastroenterologist and Specialist Endoscopist
Professor Siwan Thomas-Gibson is a gastroenterologist and specialist endoscopist at St Mark’s National Bowel Hospital London. She is the Dean of St Mark’s Hospital Academic Institute and Professor of Practice in Gastrointestinal Endoscopy at Imperial College London.