The treatment of acute and chronic empyema with bronchopleural fistula is remained as serious postoperative complication in thoracic surgery. Although several operative procedures for the treatment of postpneumonectomy empyema have been reported, the method of treating empyema, and in particular empyema associated with fistula, remains controversial. Recently some successful results have been reported by use of the omentum in the patients with thoracic empyema resulting from bronchial fistula. We have performed one-stage operations using the omentum and chest wall muscles in 2 patients, one was acute, and the other was chronic case. Their postoperative courses were uneventful