Mr Gordon Neil Buchanan is a leading colorectal surgeon based in London. His specialities span the field of colorectal surgery, but focusses on haemorrhoids, proctology, laparoscopy and hernias. Mr Buchanan graduated from St Thomas' Hospital, London and has gone on to receive advanced training in his field. Mr Buchanan is actively involved in research and has published numerous articles on a variety of aspects of colorectal surgery, particularly looking at anorectal conditions and more recently his research has been on laparoscopic resection of colorectal cancer. He is also member of many prestigious medical associations in both the UK and Europe, including the British Medical Association and the European Association of Endoscopic Surgery.