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Seung Joon Kim



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    EP1.01 - Advanced NSCLC (ID 150)

    • Event: WCLC 2019
    • Type: E-Poster Viewing in the Exhibit Hall
    • Track: Advanced NSCLC
    • Presentations: 1
    • Moderators:
    • Coordinates: 9/08/2019, 08:00 - 18:00, Exhibit Hall
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      EP1.01-19 - Updated Statistics of Never-Smoker Female Lung Cancer in Korea (ID 1330)

      08:00 - 18:00  |  Presenting Author(s): Seung Joon Kim

      • Abstract
      • Slides

      Background

      The clinical characteristics and prognostic factors of patients with lung cancer are expected to differ with respect to geographical differences from the past to the future. According to epidemiological, clinical and biological characteristics, lung cancer in never-smokers is a different disease from lung cancer in smokers.

      Method

      To investigate the updated statistics of never-smoker female lung cancer in Korea, we analyzed data from the Korean Statistical Information Service and the Korea Central Cancer Registry in 2014.

      Result

      According to the Korean Statistical Information Service, lung cancer deaths in the Korean population have been increasing in both men and women since the early 1980s. Among the total of 17,980 deaths due to lung cancer in 2017, men accounted for 13,272 and women accounted for 4,708. Of a total of 25,780 incidences of lung cancer in 2016, men accounted for 17,790 and women accounted for 7,990. Considering that the lung cancer incidence in Korean women was 3,592 in 2000, it increased by more than 2-fold in 16 years. However, after age-standardized adjustment, the lung cancer incidence has recently been stable in women. The smoking rate in Korean women was 6.0% in 2017, which has remained stable since 1998. The passive smoking rate in non-smoking women was 6.3% in 2017, which has been decreasing since 2005.

      Among the total of 6,460 Korean female patients with lung cancer in 2014, 745 patients were investigated from the Korea Central Cancer Registry. Most Korean women who developed lung cancer were never-smokers (87.5%). According to smoking status, female lung cancer characteristics such as symptoms, stage, histopathology, EGFR mutation positivity, and initial treatment modality were significantly different. Never-smoker female patients with lung cancer showed an increase in asymptomatic disease, stage I lung cancer, histology of adenocarcinoma, EGFR mutation positivity, and curative resection compared to ever-smoker female patients.

      Conclusion

      The trends in epidemiology and clinical characteristics of lung cancer in Korea have changed over time. The never-smoker lung cancer incidence was estimated to increase in Korea. The reason for the stable incidence after the age adjustment could be growth in the Korean elderly population. Further research is needed to guide patient management, as well as future therapeutic strategies for lung cancer.

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    P2.10 - Prevention and Tobacco Control (ID 176)

    • Event: WCLC 2019
    • Type: Poster Viewing in the Exhibit Hall
    • Track: Prevention and Tobacco Control
    • Presentations: 1
    • Now Available
    • Moderators:
    • Coordinates: 9/09/2019, 10:15 - 18:15, Exhibit Hall
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      P2.10-03 - Prevalence of Tobacco Use Disorder in Patients Diagnosed with Lung Cancer and Their Tobacco Use Characteristics (Now Available) (ID 1108)

      10:15 - 18:15  |  Author(s): Seung Joon Kim

      • Abstract
      • Slides

      Background

      Tobacco use disorder (TUD), previously termed as nicotine dependence, was associated with increased risk of lung cancer. However, little is known about the prevalence of TUD and symptom manifestation in smokers with lung cancer. The aim of the present study was to investigate the prevalence of TUD using DSM-5 diagnostic criteria in patients diagnosed with lung cancer and determine their tobacco use characteristics.

      Method

      A total of 200 histologically confirmed lung cancer patients who used tobacco within prior 12-month period at the time of diagnosis were recruited for this study. Participants were assessed with interviewer-administered questionnaires on symptoms of TUD and smoking-related behaviors and self-administered Fagerstrom Test for Nicotine Dependence (FTND).

      Result

      The prevalence of DSM-5 TUD was 92.0% (n = 184). Of a total of 200 subjects, 23 (11.5%), 35 (17.5%), and 126 (63.0%) were classified as mild, moderate, and severe TUD, respectively. A total of 19 (81.3%) moderate TUD and 98 (77.8%) severe TUD patients had attempted smoking cessation. Of these subjects, 21 (21.4%) severe TUD patients and 12 (63.2%) moderate TUD patients had tried more than three times. The number of satisfied criteria of DSM-5 TUD was positively correlated with FTND score, cumulative lifetime smoking amount, and daily smoking amount.

      Conclusion

      Smokers diagnosed with lung cancer had high prevalence of DSM-5 TUD. Their heavy and consistent tobacco use characteristics might be less motivated to maintain abstinence and make them to be less stick to quit.

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