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Article
April 18, 1931

BERLIN

JAMA. 1931;96(16):1328. doi:10.1001/jama.1931.02720420052024

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Abstract

Increase in Lung Cancer  Professor Hegler, the director of the large St. Georg Hospital in Hamburg, reports that, since 1924, there has been in that region a notable increase in the frequency of primary cancer of the lung. From 1911 to 1923, twelve years, primary cancer of the lung constituted 0.36 per cent of all necropsies; during the seven-year period 1924 to 1930 the proportion rose to 1.06 per cent of all necropsies. The 50 to 60 and the 60 to 70 age groups were especially affected. The incidence among males is about three times as great as that among females. Among the causes of the increased incidence is the present higher average age of the population. More persons than formerly enter the cancer age. In addition to constitution, hereditary predisposition and trauma, chronic inflammatory irritants of all kinds may be incriminated, among which, besides influenza, may be mentioned especially

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