Document J3RaaKx0LBKbGjRKJ9q5RDKBe

I * ' ............................... .............................................................................................. 36. . iA One further Lntarcetlng observation from Table 1^ la the rather marked Ucreaae la the total number of caaea for the Province between 1950 and 1955. ft le aaaumod that at leaat part of thla tncrcaco la due to lm proved recognition and reporting of lung cancer during the Interval. ]Tor thla raaaon, the yaars 1954 and 1955 were thought to bo more nearly rcpre \ aaautlve of aetual condltlono. Even oo. U la quite likely that the genoral population la not atudlod for lung cancer with the aame dlllgonce with which this dlaeaao la looked for In the minora, and It aeotna probable that tho mor- - Ullty rates for the Province may bo low. Thla would appear to be aubotan- d.' tlatad by tho fact that the reporting of caaea In the cohort ohowod no such Increase over tho aame porlod. '* 7 Table U> waa compllod to ahow the annual egeepoclflc lung cancer rate of caeeo In which the death certificate raeroly read "cancor of tho lung", at distinguished from those la which the diagnosis waa confirmed by autopsy, aurgory, or biopsy. The term "specified primary" rofors to those cases In * * ., l * thaae two categories In which the tumor was spoclfled as having originated la the lung, ft will be noted that, of the total cases reported In 1955, a much ihigher percentage than In 1954 were apoclflod aa primary. The table also shows that a hlghor porcontage of tho total caoaa cortlflod In 1955 were proved, sgaln Indicating Increasing Interest In this dlseaos. 0286