This study will evaluate single incision laparoscopic cholecystectomy with cholangiography for patients with calcular cholecystitis. A prospective randomized clinical trial will be conducted at Zagazig University Hospitals in Egypt, enrolling a simple randomized sample of approximately 100 patients undergoing the procedure. Laboratory tests, ultrasound, and other imaging will be used to collect data and ensure patients meet inclusion criteria for the study.

1. SUBJECTS AND METHODS :
1- TECHNICAL DESIGN :
Study design:
* A prospective simple randomized clinical trials will be used in carrying out the
study.
Study setting:
* This study will be conducted in Zagazig University Hospitals, as it is one of the
major curative facilities in Sharkia Governorate with high patients rate.
Population or subjects:
* Patients with calcular cholecystitis in General Surgery Department.
Data collection tools:
* Laboratory investigations, Ultrasound or (ERCP and MRCP when indicated)
Inclusion and exclusion criteria:
*Any patient doing single incision laparoscopic cholecystectomy with
cholangiography during the study period.
Sampling:
* Sample size will be
patients .
* Sample selection: simple randomized sample.