title: Endoscopic diagnosis and treatment of upper gastrointestinal tumors.
authors.affiliation: Department of Gastroenterology and Hepatology, Medical Center for Postgraduate Education, M. Sklodowska-Curie Memorial Cancer Center and Institute of Oncology, Warsaw, Poland. m.polkowski@coi.waw.pl
authors.forename: M
authors.initials: M
authors.lastname: Polkowski
mesh_terms: D001471:Barrett Esophagus / Q000175:diagnosis* / Q000628:therapy*; D004724:Endoscopy; D004938:Esophageal Neoplasms / Q000175:diagnosis / Q000628:therapy*; D017219:Gastric Outlet Obstruction / Q000175:diagnosis / Q000209:etiology / Q000628:therapy*; D006801:Humans; D015607:Stents; D013274:Stomach Neoplasms / Q000175:diagnosis / Q000628:therapy*