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A nationwide population-based study of incidence and mortality of lung cancer in idiopathic pulmonary fibrosis

 Myung Jin Song  ;  Song Yee Kim  ;  Moo Suk Park  ;  Min Jin Kang  ;  Sang Hoon Lee  ;  Seon Cheol Park 
 SCIENTIFIC REPORTS, Vol.11(1) : 2596, 2021-01 
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Issue Date
Idiopathic pulmonary fibrosis (IPF) is an independent risk factor for lung cancer (LC) development; however, there are currently no clinical guidelines for LC surveillance in IPF. This study aimed to investigate the cumulative incidence and survival outcomes of LC in IPF. Using the National Health Insurance Service database, including medical information on people aged ≥ 40 years between 2011 and 2016, we identified IPF patients and confirmed the presence of comorbid LC. Patients diagnosed with IPF in 2011 were washed out, and mortality data were analyzed from 2012 to 2018. A total of 7277 newly diagnosed IPF patients were identified among Korean citizens aged ≥ 40 years (about 50 million people) between 2011 and 2016. Their average age was 71.5 years and 72.8% of them were male. The prevalence of LC in the IPF cases was 6.4%. The cumulative incidence rates of LC in IPF patients who did not have LC at the time of IPF diagnosis were 1.7%, 4.7%, and 7.0%, at 1, 3, and 5 years, respectively. The median time from IPF diagnosis to LC development was 16.3 (Interquartile range, 8.2-28.8) months. The survival rate was significantly lower in the IPF with LC group than the IPF without LC group (P < 0.001). We concluded that IPF increases LC risk, and LC weakens survival outcomes in IPF. Close surveillance for LC development is mandatory for patients with IPF.
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1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Song Yee(김송이) ORCID logo https://orcid.org/0000-0001-8627-486X
Park, Moo Suk(박무석) ORCID logo https://orcid.org/0000-0003-0820-7615
Lee, Sang Hoon(이상훈) ORCID logo https://orcid.org/0000-0002-7706-5318
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