The radiologist is commonly confronted with altered anatomic findings that hamper the ability to distinguish between an anticipated postoperative finding and a real complication. • The most commonprocedure-relatedcomplications are inside hernias and adhesions. In this pictorial essay we are going to review probably the most frequent long-term complications after gastrointestinal surgery, including adhesions, afferent loop syndrome, closed-loop obstruction, strangulated obstruction, inside hernia...