Laparoscopic cholecystectomy with Kehr drainage is the most commonly used method for surgical treatment of common bile duct stones. Besides, Kehr drainage after surgery to remove gallstones also brings many useful effects.

A drainage tube is a common medical device. A drainage tube can be a single tube or a system of tubes that connect to a cavity or area within the body, to carry fluid out of the body or from one part of the body to another. The drainage fluid varies depending on the function and location of each individual type, including blood, inflammatory fluid, gas, bile, urine, etc.

Detecting diseases related to the biliary tract has become easier thanks to the advancement of science. And the method of X-ray through the bile duct through Kehr is considered a method that brings high value in diagnosis as well as treatment after biliary drainage surgery. Is it necessary to have an X-ray after removing the biliary drainage tube?