Primary Malignant Growths of the Lungs and Bronchi.

Primary cancer of the lung is usually regarded as one of the very rare forms of cancer, but the number of cases being recorded indicates that after all it perhaps is not so rare. In his monograph Adler collects reports of 374 eases of primary carcinoma, ninety cases of sarcoma and about 100 other cases in which the diagnosis was not conclusive. The anatomic features and the clinical manifestations are discussed fully and interestingly. Surely any physician who reads carefully the hundred odd pages devoted to this discussion will be better prepared to detect early the existence of cancer of the lung. So far the treatment of primary cancer of the lung has been practically only symptomatic and for the purpose of relief, any hope of cure being regarded as out of the question. It has been asserted that lung cancer is unique because absolutely beyond the reach of the