Omer Engin
Fistula between gall bladder and gastrointestinal tractus occurs anywhere for example stomach, duodenum, and colon. Results of inflammatory reaction adhesion may be occur and between two organs and gall stone's pressure may be contribute this process. After that fistula occurs. Fistula's size is ranging from a few millimeters to centimeters. Malignant tumors can cause fistula too [1,2].