title: Optical diagnosis of colorectal lesions requires technology, dedication, and knowledge of its limits.
authors.affiliation: Wolfson Unit for Endoscopy, St Mark's Hospital, Imperial College, London, United Kingdom.
authors.forename: Ana Ignjatovic
authors.initials: AI
authors.lastname: Wilson
authors.affiliation: Veterans Affairs Palo Alto, Stanford University School of Medicine, Palo Alto, California, United States.
authors.forename: Tonya
authors.initials: T
authors.lastname: Kaltenbach