Background: The waiting list is a list of selected patients in the surgical queue. If demand exceeds capacity, the waiting list grows rapidly, which may lead to unacceptable waiting for patients, especially those in need of acute medical care. Patients waiting for heart surgery are placed on the waiting list for surgery, and sometimes the waiting time is longer than patients expect. Reducing th...

Background and Objectives: Laparoscopic cholecystectomy as a non- invasive method in surgery is becoming common leading to brilliant results and reduction of costs. Numerous studies have investigated this method with different results. Regarding the establishment of this surgery method in Zanjan and lack of accurate data concerning the results the present study was conducted to evaluate the res...