Document 99VYB3BB5J6qoKg8g27E7pK23

'.! >V * 47. During the period cove rod by this Invoatlgatlon, thorc were nine proved ca.ee* and three auepecled caee* In the cohort. Through 1956 and to date In 1957, there were alght doathe, ala of which were merely euggeetlve of cancer of the lung and Included euch dlagnoee* ae medlaetlnal lymphoearcoma, meiotholloma, cancer of the leg with metaataeo* to lung, abteat of lung, and cane or of the pancrcae. Ono other wee dlagnoeod on the baele of x-ray only. In addition, there are now living four caeee In which the dlagnoetlc evidence le strongly euggeatlvo of lung cancer. Tble la total of 33 ca*oe of all type*-. Including ten "*u*poctod" but unproved caiee, and four that are etlll living. The remaining 19 conetltute the total of proved caeee of cancor of the lung among tho a*be*toe minora since 1940. The proved case* avoragod 59 yeara of ago nt doath, and varlod between 37 ye&re and 68 yeare. Their working open covered period* vary ing from a minimum of 14 year* to a maximum of 37 year*. Only three men bad leoe than 25 yaera of employmaat In the Induotry, Oovon among thoae on whom euch Information In available had a weighted exposure placing them In category Ilf, and etx worked la an axpoeure represented by catogory 1. Thero vroro only 17 emoag these proved lung cancer ceeee In which we have Information regarding the presonce of asboetosle, Asbestosl* wa* present in nlno. although It wee minimal la two. Two petUologlats disagreed regarding It* presence la another. At least sovea of the 19 proved lung cancer* thsrofore, were not accompanied by asbestosl*.