title: Dark macules in the upper gastrointestinal tract: an ominous sign.
authors.affiliation: Royal Free Unit for Endoscopy and Centre for Gastroenterology, UCL Institute for Liver and Digestive Health, London, United Kingdom.
authors.forename: Faidon-Marios
authors.initials: FM
authors.lastname: Laskaratos
authors.affiliation: Department of Oncology, Royal Free Hospital and UCL School of Medicine, Royal Free London NHS Foundation Trust, London, United Kingdom.
authors.forename: Roopinder
authors.initials: R
authors.lastname: Gillmore
authors.affiliation: Department of Cellular Pathology, Royal Free Hospital and UCL School of Medicine, Royal Free London NHS Foundation Trust, London, United Kingdom.
authors.forename: Ian
authors.initials: I
authors.lastname: Clark
authors.affiliation: Royal Free Unit for Endoscopy and Centre for Gastroenterology, UCL Institute for Liver and Digestive Health, London, United Kingdom. Electronic address: edespott@doctors.org.uk.
authors.forename: Edward J
authors.initials: EJ
authors.lastname: Despott
mesh_terms: D000328:Adult; D004379:Duodenal Neoplasms / Q000473:pathology* / Q000556:secondary*; D017809:Fatal Outcome; D006801:Humans; D008297:Male; D008545:Melanoma / Q000473:pathology* / Q000556:secondary*; D009382:Neoplasms, Unknown Primary / Q000473:pathology*; D013274:Stomach Neoplasms / Q000473:pathology* / Q000556:secondary*