ets exposure, lung cancer - Legacy Tobacco Documents Library

\
http://legacy.library.ucsf.edu/tid/wyk81f00/pdf
kii-ome bias in our study . Lung cancer cases were not derived
from general population but from the p,uientF of a limited number of hospitals .
The proportion of adenoc,rrcinornn patient, in our aeries was ten percent larger as
compured with that :n total lung cancer Itatieuts of this area The proportion of
scluamons cell carcinoma shotced in npposite tendency (Kar,uaR a 1983) . We
electPd the control ; from the same hospitals considering that both cases and
controls in is Qnte hospital may have similar backgrounds . Hon-ecer . one of the
hospttal uu-, a can, - Itn,Nital and we had to include many breast cancer patients
in the controls For this re .t~on we compared the status of passive smoking among
the brrivt cancer patients with that among other controls . but we found no
difference . Futthermore, the risk of lung cancer for the survivors of cancer of the
brew~t a,>_< not high when assessed by the data of a population-b,ued cancer
rrgistn (Takano and Okuno : personal communication) .
Our study showed that the exposura to tobacco smoke from household
members (i .e., mother or husband's father) could be associated with female lung
cancer. As the precise situation of passive smoking in the home or other places
is still unclear, further studies are needed to clarify the significance of passive
smoking in relation to the etiology of lung cancer in Japanese women .
AtknowkdQments
We are ftrnteful to Ms K Htrose of Aichi Cancer Center Reaerrth Institute and Ms . Y .
T,tl::ihwhi of Tohoku University School of )ledicirte for their technical assutance . This
atudy x aa supported by a Orantlin-Aid for Cancer Research from the )linistn of Health and
Welfara ((',nsnt Number 57S )
I) Al :itw, 8.. Kato . H:. k Blot. WJ . (1986) Passive anwlialt and lucsE canoer among
Japanse romea L4rar . iiw .. K . d8W-4807 .
2) dreslow, N .E. k Day, N .E. (1990) The analysis of ore-sotttrol audiea . In :
Statistaos/ Yei" it Ca,Ker Rres>ti1 . Vol . I . IARC Scientific Publicatwns No . 32.
laterrutional Aratcy (or 8tiarah on Cutaer . Lron .
3) Breslow, N .E .. Ihy, N .E .. Halvonen. K .T .. Prentice, R.L. k Sabet. C. (197B)
&timatioa of asaltipk telaeire ewl trJnctiocr in eate!»d eaar couuoi studies .lswee .
J . B/iJcrwiot . . 1M, 299-J01 .
4) Byers, T. k Graham, 8 . (1084) The tpidemio)oU of diet and canaer. In : Alrauar
in C4rcrr Rneoral, Vol,11, trditad by G, Klein k S . Weinbous+e, Academic his,
4riando-Fbrida, pp . 1-60 .
S) CorreA, P ., Picl-le, LW, lroatham, E ., Lin . Y. k Haeasttl. W. (1pdJ) Pa:ioe