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I'.ILTH *IVXG CANCER IX ASBESTOS MIXERS use for Jif 172,25.3, and 28.0 obtained from various 'mining ijiourccs for adult males in the United States. n 1955 ^Finally, in this uutter of com(iarison, it cancer ' aould ap(icar that the world-wide experienc e been if persons cxpo.sctl to aslvslus dust is not rongly rorsc with rcsjtcct to lung camvr limn that - d the unex|*)scd imputation. tudied The counties surrounding the asbcslosvment, 'producing areas, in which it is presumed i. and post of the asbestos miners live, have al 1 that most identical mortality rates with those of ion of 'ight counties widely scattered through the /-four .Province, and are lower than those for the an 45 Remainder of the Province, amt much lower - been yian the rate for Montreal. Thirty .j Since 1940 there have been 19 casei in which phich the diagnosis of primary cancer of 't ex- he lung may be considered to have been Moved. Approximately half of these cases rere associated with asbestosis. AH hut one tint In llu* recognized "vaiu-cr-agc"' ami at least one-third had only the lightest ex- re (Category I) to asbestos dost. On the. basis of what arc believed to be ,, iplctc and reliable data, it seems fair to pjndude that the asbestos miners in the province of Quebec do not have a signifsanlly higher death rate from lung cancer hail do Comparable segments of the general '/ioiiuUition. A Furthermore, the death rate from lung Antcer in the areas contiguous to the asbes' lis operations is cninpamhle to that in areas Widely scattered throughout the Province of fjuclicc and is lowvr than in some urtmiiid area# within the Province. REFERENCES I. Alascio Escobar, K.: Bronchial Cudnana: leview of 300 Cases. J. Internal. Coll. Surgeons >J7S-379 (Sept.) 1956. j 2 Allen, M. L.: Rrunchiogenic Carcinonu Asjjrialed with I'nrtmuinivnuiiMS: Rri>n of J (no, J. Imlnsl. Ilyit. 10:346-J47 (Nov.) 1*1.14. A Cartier. ]*.: A Contribution In ihe Study : i Asbestosis, Areli. mat profess. 10:589-595, ` A Anderson. C. S., ami Dibit, J. II.: Silicosis jti Carcinoma of tbe I.uii)!. J. I tyu- 38:185-204 ^March) JOJK. J 5. Itaailrr.' K. \V.: A .l.v.-h.-i.. Itcmsrfie nieil. Vchnschr. 65:407-408 (March 17) I9J9. I9S1 fraim--Truan ft Itrlimis, W.i Kxinriniruial Aslvsiusis, Schwcit. Zlsclir. allg. Pallt. 14:275-297. 1951. 7. Behrens, \V,, Jr.: The Clinical Picture anil Pathology of Asbestosis, Zlschr. Unfatlmed. u. itcnifskniukli. 45:II-|-K) Hum- 15) 1952. A Itcrhluigrr. \V.: Inrirasr of |.iuik Cancer amt IliM-.ises Doe in llust Inliiibiimi, MmL Klin. 27:IJJMAt> (Sept. II) l<fj|. 9. Jlercnliluin, 1.: Irritation am! Carcinogenesis, Areli. Halit. 38-233-244 (On.) 1944. 10. Holme: Asbestosis, Dcutsclte med. Wdmsdir. 63.-928-930 (June S) 1956. 11. Rubinr, A.: Resutls of I'crusUcal Examina tions of Workers in an Asbestos Factory, Beitr. Silikose Forsch. II :34. 1951. IZ Bowles, O.: Asbestos-Milling, Marketing and Fabrication, Information Circular No. 6869, U. S. Department of the Interior, Bureau of Mines, 1935, pp. 1-26. IJ. Rreslow, L.; Huaglin. I_; Rasmussen, G, tutd Abrams. H. K.: Occupations ami Cigarette Smoking as Factors in Lung Cancer, Am. J. Puli. Health. 44:171-1111 (t-Vt..) fl.Vt. 14. Itristol, I. J.: Kuentgmulutoc Asjicctx of Silicosis and Asbestosis, AM.A. Arch. IndusL Health 11:189-195 (March) 1955. 15. Cancer of tlie Lung: An Evaluation of tlic Problem, Proceedings of the ScientificSection, Aiuiual Meeting, American Canter Society. Inc, Nov. J-l, 1953, New York, American Cancer Society. Inc, 1956. lit Cartier, I'.: Arfmlish Cancer of the l.tuig. in discussion isi Smith, W. K.: Survey of Snmc Current ftracial, and European Studies of Occupa tional Tumor. Problems, A. M. A. Arch. IndusL Hyg. 5:362-263. 1952. 17. Cartier, P.: Scene Clinical (llKcrvatinna of Asbestusis in Mine and Mill Workers, A. M. A. Arris Inditst. Iftalllt 11:204-21)7 f.Marcb) I9S5. IK. Ch-rcns. J-: Research iittu I'uluumary Asbotosis in Belgium, Arch, beiges med. Snciale 8:557565 (Nov.) 1951. 19. Clyrtes: Asbestosis and Silicosis, Brit. M. J. U79. 1931. 20. CotKn, G. J.; Duryce, H. C; Maier. H. C; Pardee, H. E. B.. and Wymer, E. L.: Tlte Effects of Tobacco Smoking, Panel Meeting, Bulk New York Avail. Med. JJiUJ-liA UMi.) 1950. 21. Cohart, II M.: Lung Cancer and Ecumenic Status. Cancer 8:1126-1129 (Nov.-Dee) 1955. 22. Cooke, W. E.:' Pulmonary Atliestnsii, Brit. M. J. 2:11124-1025 (Dec 3) 1927. 23. Ctiret<m.( R. J. R.: Squamous f ell Carcinoma Ocettrring in Aslcstosis of tlw l.mig, Brit J. Cancer 2:249-253 (Sept.) low. 24. Cutler, S. J.; Sdmeidcrmau, M. A, am! Grecnlumsc. S. W.: Some Statistical Cimsidcra- 651