Multiple primary cancers of the lung, es
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Dr. William G. Cahan
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Article
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1977
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John Wiley and Sons
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English
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Years ago, when a solitary lung shadow was found with a known cancer elsewhere, it w a s presumed to be a metastasis and as such, the visible representative of many far-flung metastases not readily observable; hence there seemed to be little point in aggressive action. However, from 1933 through 197