Radiologically Occult Lung Cancer: Report of 26 Cases

Despite all available methods of diagnosis and treatment, the general prognosis for carcinoma of the lung is still not good. Yet, it may be expected that in general the earlier a case is treated the greater will be the chance of obtaining a cure. We now know that in at least some cases, sputum cytology provides a tool for detection of lung carcinoma at an earlier stage than has ever before been possible.