Bronchogenic Carcinoma

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Abstract
VIRTUALLY all reports indicate a considerable rise in the incidence of bronchogenic carcinoma in white males.1 2 3 4 The increase is less striking in females and less conclusive for races other than Caucasian. The histologic5 and biologic characteristics of these tumors are probably more important in prognosis than early diagnosis. Many of the more malignant tumors are first discovered or made manifest through their metastasis and present hopeless problems at the time of diagnosis. Still other tumors may remain localized for long periods, producing chronic symptoms that are frequently misdiagnosed as asthma, cardiac disease, tuberculosis or chronic bronchitis. The last group of . . .