Patient will be placed in Lloyd-Davis position with both upper limbs by side of the patient. General anesthesia with or without supplementation with spinal anesthesia will be given to all patients. A 12 mm camera port at umbilicus, one 5 mm port in the left pararectal region, one 12 mm port in the right pararectal area at the level of umbilicus and the fourth port in the epigastric region for puncturing and aspirating the pseudocyst. 2-3 ml of 0.25% bupivacaine will be infiltrated at each port site for local anesthesia before port placement. Pneumoperitoneum will be created using veress needle. The first port will be inserted in a closed manner and directed towards the upper abdomen. The bulge of the pseudocyst on the posterior wall of the stomach will be identified and access to the posterior gastric wall will be established through an anterior gastrotomy (2 -2.5 cm) created with the help of harmonic shears/monopolar hook knife. A long needle will be introduced to confirm the location of the pseudocyst and to sample the fluid. A bariatric port will be introduced through the posterior wall of the stomach into the cyst and its contents aspirated. The cyst will then be irrigated through the port and debris cleared. The cystogastrostomy stoma will be made with endostapler (Ethicon Endo-surgery, Cincinnati). Gastrotomy will be closed in two layers with intracorporeal suturing. Cholecystectomy will be done if necessary using the standard four port technique. A 16 F drain will be placed in the subhepatic space.