title: The role of ultrasound, percutaneous transhepatic cholangiography, computed tomographic scanning, and magnetic resonance imaging in the preoperative assessment of bile duct cancer.
authors.forename: K
authors.initials: K
authors.lastname: Okuda
authors.forename: M
authors.initials: M
authors.lastname: Ohto
authors.forename: Y
authors.initials: Y
authors.lastname: Tsuchiya
mesh_terms: D002759:Adenoma, Bile Duct / Q000175:diagnosis*; D001650:Bile Duct Neoplasms / Q000175:diagnosis*; D002758:Cholangiography; D006801:Humans; D008279:Magnetic Resonance Imaging; D011300:Preoperative Care; D014057:Tomography, X-Ray Computed; D014463:Ultrasonography