Inclusion Criteria:  Male and Non pregnant female, >20 years old, All patients were contender for bariatric surgery in conformity with National Institutes of Health consensus criteria for the management of morbid obesity (BMI ≥ 40 kg/m² or BMI ≥ 35 kg/m² with compelling co-morbidities linked to obesity),, had pre-operative ultrasound patients who completed at least two-years follow up  Exclusion Criteria:  younger than 20 years, History of cholecystectomy, No pre-operative imaging available within 6 months, dearth of interest. Subjective mess and cognitive vulnerability that halt the patient from considering the operation, Drug or alcohol junkie, Patients unsuitable for general anesthesia, preceding bariatric operation, Patients with calcular obstructive jaundice underwent ERCP with stenting and Cases with arduous displaying of right upper quadrant or liver cirrhosis found at surgery.