title: A new role of upper gastrointestinal endoscopy.
authors.forename: S
authors.initials: S
authors.lastname: Ozawa
authors.forename: T
authors.initials: T
authors.lastname: Ozawa
authors.forename: M
authors.initials: M
authors.lastname: Odawara
mesh_terms: D000368:Aged; D016099:Endoscopy, Gastrointestinal; D006801:Humans; D007822:Laryngeal Neoplasms / Q000175:diagnosis*; D008297:Male; D014827:Vocal Cords / Q000473:pathology*