Abstract
SINCE cancer in its early stage is a localized lesion, successful treatment depends on complete surgical removal of the diseased tissue or its complete destruction by adequate radiation. The diagnosis of cancer by the recognition and proper interpretation of early clinical signs and symptoms is in several important categories wholly inadequate, as witnessed by the poor results in the treatment of gastric and bronchogenic carcinoma. In lesions of the stomach and lung the symptoms appear and the diagnosis is made at a stage of the disease in which the cancer most often has advanced beyond the possibility of complete removal. . . .