Teoh, A Y B The proximal resection margin for colorectal carcinoma - is 5 centimetres enough? [electronic resource] - Techniques in coloproctology Jul 2006 - 151-2 p. digital Publication Type: Case Reports; Letter ISSN: 1123-6337 Subjects--Topical Terms: AgedCarcinoma--pathologyColectomy--methodsHumansNeoplasm InvasivenessSigmoid Neoplasms--pathology