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This
retrospective case-control association clinical study shows that smokers
with bronchial cancer have well preserved lung functions (FEV1>70%)
in comparison with smokers matched for smoking amount, sex and age
(within 5 years) with airflow obstruction. The hypothesis that smokers
with an individual predisposition to bronchial cancer seem to be immune
to the expected lung function decline, provides a promising strategy
for early diagnosis.
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