“…But perforation of a foreign body in the junction of 3rd and 4th part of duodenum is rare. In most cases, the fishbone were in the esophagus, stomach, and 2nd part of duodenum and could be excreted with feces or taken out through the mouth, which may also cause some complications, such as esophageal microperforation with reginal pneumomediastinum, mediastinitis and abscess [ 8 ], ileal perforation [ 9 , 10 ], penetration through the posterior wall of the gastric antrum [ 11 ], cecal perforation [ 12 ], hepatic abscess secondary to gastric perforation [ 13 – 15 ], perforated acalculous cholecystitis [ 16 ], Pylephlebitis and Pyogenic Liver Abscesses [ 17 – 19 ], Small intestinal perforation [ 20 , 21 ], aortic arch pseudoaneurysm [ 22 ], left subclavian artery-esophageal fistula [ 23 ]. But no reports of duodenal perforation have been reported.…”