Foreign body in stomach

Introduction (Overview): Foreign body in stomach is divided into exogenous, endogenous, and foreign body formed in the stomach, that is, gastrolith. 20% to 30% of the foreign matter swallowed is blocked and retained in the esophagus. More than 80% of the foreign bodies in the stomach can be expelled from the stomach by themselves, and excreted from the bowel through the stool, rarely causing discomfort or only slight upper abdominal pain, fullness, nausea and other symptoms.

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