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Patient is status post recent sleeve gastrectomy with large well-defined perigastric collection measuring approx 5 x 10 x 15 cm (TR X CC X AP dimensions respectively) showing heterogeneous, mostly fluid density contents and multiple air locules with mild peripheral enhancement, and surrounding marked fat stranding. There is continuity of intra-gastric air column to perigastric air locules & fluid collection, also likely defect at the fundal region adjacent to the gastro-esophageal junction.
Subcutaneous fat stranding at anterior abdominal wall noted, no definite localized collection; likely postoperative changes.
Mild free pelvic fluid.