Introduction: The most cases foreign body ingestion has a clear history of swallowing have clear recommendation for treatment. Case Report: We want to present an unusual case of an unexpected extra luminal finding of metallic foreign body in abdominal cavity without history of ingestion which was accidentally found by imaging. The metallic foreign body was found on MRCP imaging as usual clearance of bile tract after acute biliary pancreatitis with elevated liver enzymes. The patient denied any history of ingestion any foreign material. This is the first case report of a patient unintentionally transferring outside a foreign body from hollow viscus system without any clinical presentation or reminiscence about it. Conclusion: Surgical intervention should be offered to patient if the foreign body causes any symptoms or it can be easily removed during another not related operation.