title: Endoscopic diagnosis and treatment of upper gastrointestinal tumors.
authors.affiliation: Dept. of Gastroenterology, Medical Center for Postgraduate Education, Institute of Oncology, Roentgena 5, 02-781 Warsaw, Poland. polek@coi.waw.pl
authors.forename: M
authors.initials: M
authors.lastname: Polkowski
mesh_terms: D001471:Barrett Esophagus / Q000175:diagnosis / Q000473:pathology / Q000601:surgery; D042241:Early Diagnosis; D020776:Endoscopes, Gastrointestinal; D016099:Endoscopy, Gastrointestinal / Q000379:methods*; D016021:Epidemiologic Studies; D005753:Gastric Mucosa / Q000473:pathology / Q000601:surgery; D005770:Gastrointestinal Neoplasms / Q000175:diagnosis* / Q000628:therapy*; D006801:Humans; D010166:Palliative Care; D016032:Randomized Controlled Trials as Topic; D041742:Upper Gastrointestinal Tract / Q000473:pathology / Q000601:surgery