Aim of the work: this study aimed to assess if the Magnetic Resonance Cholangiopancreatography (MRCP) in patients undergoing cholecystectomy, changed the treatment plan or changed the operation method. Patients and method: this study was carried out in the Radiology Departments of Ain Shams University Hospitals. A total of 30 patients undergoing cholecystectomy were referred for preoperative MRCP. They were 20 (66.7%) females and 10 (33.3%) males. Their age was ranged from 20-60 years old. Results: Among the 30 cases, 21 cases had dilated common bile duct (CBD), 11 patients had CBD stones, 2 of which were silent, one case had silent CHD stone, one case had Mirizzi type I syndrome, 3 cases had trifurcation of the CHD, 4 cases had cystic duct anatomic variants and one case had duplicated GB. Conclusion: In candidate patients for cholecystectomy, routine preoperative MRCP is mandatory for confirmation of the already known pathologies, detection of other missed pathologies by US as well as detection of anatomical variants of biliary tract, these will help the surgeon for replanning and adjusting the surgical approach to preventing or at least decreasing the probability of post operative complications.