Impact of smoking reduction on lung cancer risk in patients with COPD who smoked fewer than 30 pack-years: a nationwide population-based cohort study
Sun Hye Shin,
Taeyun Kim,
Hyunsoo Kim
et al.
Abstract:Background
The effects of smoking reduction on the incidence of lung cancer in patients with chronic obstructive pulmonary disease (COPD) are not well known. This study aimed to investigate the effects of changes in smoking habits after COPD diagnosis on lung cancer development in patients who smoked less than 30 pack-years.
Methods
This nationwide retrospective cohort study included 16,832 patients with COPD who smoked less than 30 pack-years at t… Show more
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