London West London Chelsea - Lister HCA Hospital, Chelsea - Mr Gordon Buchanan London Hammersmith - Imperial Charing Cross Hospital - Mr Gordon Buchanan   Gordon Buchanan: Consultant General and Colorectal Surgeon, Harley Street, London A General and Colorectal Surgeon specialising in fibre-optic sigmoidoscopy and proctoscopy, haemorrhoid injection and treatment, fissure in ano treatment, removal of polyps and rectal biopsy. Gordon Buchanan is Consultant Colorectal and General Surgeon at Charing Cross and Hammersmith Hospitals, London. He is experienced in carrying out a wide variety of Colorectal and General Surgical procedures. He graduated from St Thomas' Hospital, London and undertook colorectal and general surgical training in South East England. He also received advanced colorectal training at St Mark's Hospital, Harrow, St Thomas' Hospital, London and Mount Sinai Hospital, Toronto, Canada. During additional laparoscopic colorectal training fellowships in Colchester and Yeovil, Mr Buchanan undertook laparoscopic appendicectomy and day case laparoscopic cholecystectomy, as well as benign and malignant laparoscopic colorectal resection.  He also undertook research at St. Mark's Hospital and Imperial College, London. He has published papers on many aspects of colorectal surgery, in particular investigation of anorectal conditions and fistula-in-ano.  He is presently undertaking collaborative research on laparoscopic resection of colorectal cancer.