[Pulmonary Partial Resection for a Lung Foreign Body( Watermelon Seed):Report of a Case].

We experienced a case of a foreign body in the lung with granuloma by aspiration of watermelon seeds. A 72-year-old woman who had been diagnosed as having lung foreign body was admitted to our hospital for the treatment of the pulmonary shadow caused by the granuloma. A foreign body could not be identified by bronchoscopy, and the thoracoscopic partial resection of right S4 was performed. The postoperative course was uneventful, and the patient was discharged from our hospital on the second day after the operation.