title: Radiologic Seminar CCXXI: the T-tube and its tract--details which assist in percutaneous retained stone removal.
mesh_terms: D002758:Cholangiography / Q000295:instrumentation*; D002780:Cholestasis, Intrahepatic / Q000000981:diagnostic imaging* / Q000628:therapy; D042882:Gallstones / Q000000981:diagnostic imaging* / Q000628:therapy; D006801:Humans; D007440:Intubation / Q000295:instrumentation