A 52-year-old woman developed an acute pancreatitis 7 years after gastric banding for morbid obesity. The patient presented a stable weight loss. Three months before, a radiological band calibration showed a normal position of the band. Investigations revealed that the pancreatitis was related to the presence of gallstones, complicated by a stone in the choledocic tract. The band migrated completely into the gastric lumen and passed far down the jejunum. The band was still connected to the port but the connecting tube did not follow the normal course of duodenum, entering the stomach in the middle of the greater curvature and getting out on the same side 5 cm more distad. The patient underwent first an endoscopic retrograde cholangiopancreatogram with sphinterectomy, then a laparoscopy that allowed us to remove the band, via jejunotomy, and the tube, which was outside the stomach. The postoperative course was uneventful.