title: [US].
authors: Masayuki
authors: M
authors: Kitano
authors: Hajime
authors: H
authors: Imai
authors: Masatoshi
authors: M
authors: Kudo
mesh_terms: D003560:Cysts; D003937:Diagnosis, Differential; D055088:Early Detection of Cancer; D006801:Humans; D010190:Pancreatic Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology; D012307:Risk Factors; D014463:Ultrasonography