title: [US].
authors: Masayuki
authors: M
authors: Kitano
authors: Ken
authors: K
authors: Kamata
authors: Masatoshi
authors: M
authors: Kudo
mesh_terms: D001661:Biliary Tract Neoplasms / Q000098:blood supply / Q000000981:diagnostic imaging*; D006801:Humans; D021621:Imaging, Three-Dimensional; D009389:Neovascularization, Pathologic; D014463:Ultrasonography