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  • Title: [Mass screening for early lung cancer by the Miyagi method].
    Author: Saito Y, Takahashi S, Susukida K, Kanma K, Sagawa M, Sato M, Ota S, Nagamoto N, Imai T, Suda H.
    Journal: Gan No Rinsho; 1988 Mar; 34(3):269-76. PubMed ID: 3357250.
    Abstract:
    Mass screening for early detection of lung cancer has been in practice from 1982. Up to 1985, 583,549 persons-years have been screened. Screening was done by examining miniature X-rays taken of the chest for all those tested, and by sputum cytology for those thought to be high-risk, 34,044 persons-years. Heavy smokers over 50 years of age comprised much of the high-risk cases and persons evidencing hemoptysis. In a total of 207 detected cases of lung cancer, 120 cases were found by chest X-ray only, 69 cases were uncovered by sputum cytology only, and 18 cases were discovered by both X-ray and cytology. In one hundred and forty-four cases the cancers were resected and in 69 cases the cancers were determined to be in an early stage.
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