No specific drug, vaccine or serum has been found as a positive cure for pulmonary tuberculosis. Favorable results have been reported following the use of gold sodium thiosulfate. We ourselves confirmed the results of Henrichsen and Sweany1that approximately 50 per cent of cases of advanced tuberculosis with a stationary or progressive trend are favorably influenced. The discussions at the International Conference in The Hague in 1932 were highly favorable. However, one must admit that the only real noteworthy advance that has been made in the treatment of this disease is the utilization of collapse therapy, which has furnished abundant convincing evidence of its value in the pathologic lesions of pulmonary tuberculosis. EXPECTANT TREATMENT To the time-honored triad of general rest, fresh air and wholesome food, modern treatment has added collapse therapy to secure local rest to the diseased lung. The therapeutic result will be in proportion to the