The objective of our study is to identify the factors influencing the occurrence of a biliary leak after performing surgery leading to the creation of a biliary anastomosis to any segment of the digestive tract.

The objective of our study is to identify the factors influencing the occurrence postoperative of biliary leaks, Sex, Age, BMI, Bilirubin level, Protein level, and surgical technique (And other factors)are analyzed to study their influence on occurrence of postoperative biliary leak.

Inclusion Criteria:

• Any patient who has undergone a surgical bilioenteric anastomosis for any etiology.

Exclusion Criteria:

• Any patient who has undergone a nonsurgical (endoscopic / radiological) bilioenteric anastomosis.
• Subjects under the age of 18. Years.
• Subjects who refused to participate in this study.
• Cases of biliary and pancreatic anastomoses performed during the same surgery.