title: Reply to Kadayifci and Brugge.
authors.forename: Masayuki
authors.initials: M
authors.lastname: Kitano
authors.forename: Ken
authors.initials: K
authors.lastname: Kamata
authors.forename: Masatoshi
authors.initials: M
authors.lastname: Kudo
mesh_terms: D000230:Adenocarcinoma / Q000000981:diagnostic imaging*; D021441:Carcinoma, Pancreatic Ductal / Q000000981:diagnostic imaging*; D055088:Early Detection of Cancer / Q000379:methods*; D019160:Endosonography; D005260:Female; D006801:Humans; D008297:Male; D009378:Neoplasms, Multiple Primary / Q000000981:diagnostic imaging*; D010190:Pancreatic Neoplasms / Q000000981:diagnostic imaging*