Fig. 2From: Role of imaging in assessment and detection of complications after bariatric surgeryA 22-year-old female patient presented with persistent vomiting 2 weeks post-gastric band. Plain X-ray abdomen erect: A-P view (a, b), gastric band positioned enface (vertical) giving O sign appearance characteristic for band slippage (black arrow) and widening phi angle = 118°. Diagnosis: band slippageBack to article page