Nonsurgical drainage of the biliary tract.
D014670:Ampulla of Vater; D002404:Catheterization / Q000379:methods; D002779:Cholestasis / Q000175:diagnosis / Q000628:therapy*; D004322:Drainage / Q000009:adverse effects / Q000379:methods*; D006801:Humans; D008099:Liver; D019736:Prostheses and Implants