Clinical experience with a case of empyema thoracis associated with sparganosis invading the thoracic wall is reported. Two living larvae of Sparganum Mansoni were successfully removed by surgery from the subcutaneous tissue of the thoracic wall in a man, 34 years old, who had a history of ingestion of a raw snake and a raw beef. He had no swelling and tenderness and mass of the thoracic wall for 11 years.