title: Nonsurgical evaluation and management of malignant biliary tract obstruction.
mesh_terms: D000230:Adenocarcinoma / Q000150:complications / Q000175:diagnosis / Q000532:radiotherapy; D000368:Aged; D002404:Catheterization; D002779:Cholestasis / Q000175:diagnosis* / Q000209:etiology / Q000532:radiotherapy; D005260:Female; D006801:Humans; D007495:Iridium / Q000627:therapeutic use; D008875:Middle Aged; D010190:Pancreatic Neoplasms / Q000150:complications / Q000175:diagnosis / Q000532:radiotherapy; D011868:Radioisotopes / Q000627:therapeutic use; D014057:Tomography, X-Ray Computed; D014463:Ultrasonography
chemical_list: D011868:Radioisotopes; D007495:Iridium