Most ingested foreign bodies entering the stomach pass through the gastrointestinal tract uneventfully.

Therefore, an ingested foreign body should be included in the differential diagnostic procedure related to gastrointestinal symptoms.

Button batteries are the second most frequently- ingested foreign bodies and can lead to serious clinical complications within hours of ingestion.

Gastrointestinal tract perforation can arise from various underlying etiologies ranging from congenital causes to ingested foreign bodies in the pediatric patient population.

These cells, called macrophages, sit on the surface of the airway ingesting foreign material such as black carbon, a byproduct of exhaust.

Conclusions: Patients presenting with a complaint of a retained ingested foreign body are most cost-effectively managed with CT scan, after history and physical.