Pulmonology / Original Article Clinical impacts of COVID-19 on severe exacerbation and mortality in interstitial lung disease: prognosis 30 days after infection Bo-Guen Kim, Sun-Kyung Lee, Dong Won Park, Tai Sun Park, Ji-Yong Moon, Tae-Hyung Kim, Sang-Heon Kim, Ho Joo Yoon, Hyun Lee Korean J Intern Med. 2025;40(4):634-644.   Published online July 1, 2025 DOI: https://doi.org/10.3904/kjim.2024.388       Background/Aims: The impact of coronavirus disease 2019 (COVID-19) on severe exacerbation and mortality in interstitial lung disease (ILD) is unclear. In this study, we evaluate the risk of severe exacerbation and mortality in individuals with ILD following COVID-19. Methods: Using the Korean Natio..

Pulmonology / Original Article Efficacy and safety of first-line afatinib in older patients with advanced EGFR-mutated non-small cell lung cancer Mi-Hyun Kim, Hayoung Seong, Soo Han Kim, Min Ki Lee, Insu Kim, Kyung Soo Hong, June Hong Ahn, Jung Seop Eom Korean J Intern Med. 2025;40(4):626-633.   Published online July 1, 2025 DOI: https://doi.org/10.3904/kjim.2024.269       Background/Aims: This study investigated the efficacy and safety of first-line afatinib treatment in older patients with epidermal growth factor receptor (EGFR)-mutated non-small cell lung cancer (NSCLC). Methods: This retrospective, multicenter, observational cohort study included 103 patients aged..

Pulmonology / Review Updates on lung cancer screening for early detection Se Hyun Kwak, Chi Young Kim, Sang Hoon Lee, Eun Young Kim, Eun Hye Lee, Yoon Soo Chang Korean J Intern Med. 2025;40(4):546-556.   Published online July 1, 2025 DOI: https://doi.org/10.3904/kjim.2025.008       This review examines the current status and recent progress in lung cancer screening programs, focusing on low-dose computed tomography (LDCT) and emerging liquid biopsy technologies. In Korea, the National Lung Cancer Screening Program has shown promising results in reducing lung cancer mortality s..

Pulmonology / Original Article Polymyxin B-hemoperfusion in patients with acute exacerbation of idiopathic pulmonary fibrosis: a single-center prospective pilot study Min Jee Kim, Jiyoul Yang, Jin Woo Song Korean J Intern Med. 2025;40(3):458-467.   Published online April 30, 2025 DOI: https://doi.org/10.3904/kjim.2024.244              Web of Science 1                        Background/Aims: Patients with acute exacerbation of idiopathic pulmonary fibrosis (AE-IPF) typically have a poor prognosis; however, no effective treatment is available. In recent years, several retrospective studies have suggested the clinical benefits of direct hemoperfusion with a polymyxin B–..

Pulmonology / Original Article Differences in sputum microbiota based on cure status of patients with nontuberculous mycobacterial pulmonary disease Noeul Kang, Su-Young Kim, Dae Hun Kim, Byung Woo Jhun Korean J Intern Med. 2025;40(3):449-457.   Published online March 25, 2025 DOI: https://doi.org/10.3904/kjim.2024.209                      Background/Aims: To analyze the characteristics of the sputum microbiota of patients with nontuberculous mycobacteria pulmonary disease (NTM-PD) based on treatment status. Methods: Twenty-eight sputum samples from 14 patients with NTM-PD, including 14 samples from the microbiologically cured group ..

Pulmonology / Editorial Polymyxin B-hemoperfusion in acute exacerbation of idiopathic pulmonary fibrosis: a feasibility step forward Won-Il Choi Korean J Intern Med. 2025;40(3):345-346.   Published online April 30, 2025 DOI: https://doi.org/10.3904/kjim.2025.111

Pulmonology / Original Article Impact of tracheostomy on clinical outcomes in ventilated patients with severe pneumonia: a propensity-matched cohort study Hayoung Seong, Hyojin Jang, Wanho Yoo, Saerom Kim, Soo Han Kim, Kwangha Lee Korean J Intern Med. 2025;40(2):286-298.   Published online March 1, 2025 DOI: https://doi.org/10.3904/kjim.2024.248                      Background/Aims: Tracheostomy is a crucial intervention for severe pneumonia patients requiring prolonged mechanical ventilation (MV). However, debate persists regarding the influence of tracheostomy timing and performance on long-term survival outcomes. This study utilized propensity score matching..

Pulmonology / Original Article Fatty liver index and development of lung cancer: a nationwide cohort study Jihye Lim, Bongseong Kim, Kyungdo Han, Jeong Uk Lim Korean J Intern Med. 2025;40(2):275-285.   Published online October 22, 2024 DOI: https://doi.org/10.3904/kjim.2024.232                      Background/Aims: This study aimed to evaluate the impact of steatotic liver disease severity on the cumulative incidence of lung cancer utilizing data from the Korea National Health Insurance Service (NHIS). Methods: This study examined the risk of lung cancer in the general population in conjuncti..

Pulmonology / Review Current perspectives on interstitial lung abnormalities Ju Hyun Oh, Jin Woo Song Korean J Intern Med. 2025;40(2):208-218.   Published online March 1, 2025 DOI: https://doi.org/10.3904/kjim.2024.335                 Interstitial lung abnormalities (ILAs) are early indicators of interstitial lung disease, often identified incidentally via computed tomography of the chest. This review explores the diagnostic criteria for ILAs as outlined by the Fleischner Society, highlights associated risk factors, examines thei..

Pulmonology / Original Article Blood eosinophil count and treatment patterns of chronic obstructive pulmonary disease patients in South Korea using real-world data Chin Kook Rhee, Yu-Fan Ho, Sumitra Shantakumar, Tim Holbrook, Yein Nam, Kwang‑Ha Yoo Korean J Intern Med. 2025;40(1):78-91.   Published online January 1, 2025 DOI: https://doi.org/10.3904/kjim.2024.034              Crossref 1                      Background/Aims: Chronic obstructive pulmonary disease (COPD) management guidelines have increasingly emphasised the importance of exacerbation prevention, and the role of blood eosinophil count (BEC) as a biomarker for inhaled corticosteroids (ICS) response. This study aimed to describe the distrib..

Pulmonology / Editorial Stability, variability, and treatment implications of the blood eosinophil count in Korean patients with chronic obstructive pulmonary disease Hyun Woo Lee Korean J Intern Med. 2025;40(1):5-6.   Published online January 1, 2025 DOI: https://doi.org/10.3904/kjim.2024.386

Pulmonology / Image of interest Growing chronic consolidative lesion with an air bronchogram Jae Seok Jeong, Chan Yang Cho, Jun Hyung Park, Kum Ju Chae, Yong Chul Lee Korean J Intern Med. 2025;40(1):162-163.   Published online December 18, 2024 DOI: https://doi.org/10.3904/kjim.2024.167

Pulmonology / Original Article Short-term and long-term outcomes of critically ill patients with solid malignancy: a retrospective cohort study Su Yeon Lee, Jin Won Huh, Sang-Bum Hong, Chae-Man Lim, Jee Hwan Ahn Korean J Intern Med. 2024;39(6):957-966.   Published online October 22, 2024 DOI: https://doi.org/10.3904/kjim.2024.054              Web of Science 1    Crossref 1                      Background/Aims: With the global increase in patients with solid malignancies, it is helpful to understand the outcomes of intensive care unit (ICU) admission for these patients. This study evaluated the risk factors for ICU mortality and the shortand long-term outcomes in patients with solid malign..

Pulmonology / Image of interest Effective control of a severely progressive recurrent respiratory papillomatosis with repetitive cryotherapy Jae Seok Jeong, Jee Hee Lee, Jun Hyung Park, Yeong Hun Choe, Yong Chul Lee Korean J Intern Med. 2024;39(6):1023-1024.   Published online October 22, 2024 DOI: https://doi.org/10.3904/kjim.2024.166

Pulmonology / Original Article Timing and predictors of death during treatment in patients with multidrug/rifampin-resistant tuberculosis in South Korea Eunjeong Son, Hongjo Choi, Jeongha Mok, Young Ae Kang, Dawoon Jeong, Doosoo Jeon Korean J Intern Med. 2024;39(4):640-649.   Published online June 24, 2024 DOI: https://doi.org/10.3904/kjim.2024.029                 Background/Aims: This study aimed to investigate the timing and predictors of death during treatment among patients with multidrug/rifampin-resistant tuberculosis (MDR/RR-TB) in South Korea. Methods: This was a retrospective cohort study that included MDR/RR-TB cases notified between 2011 and 2017 ..

Pulmonology / Original Article Development and validation of novel simple prognostic model for predicting mortality in Korean intensive care units using national insurance claims data Ah Young Leem, Soyul Han, Kyung Soo Chung, Su Hwan Lee, Moo Suk Park, Bora Lee, Young Sam Kim Korean J Intern Med. 2024;39(4):625-639.   Published online April 19, 2024 DOI: https://doi.org/10.3904/kjim.2022.311                      Background/Aims: Intensive care unit (ICU) quality is largely determined by the mortality rate. Therefore, we aimed to develop and validate a novel prognostic model for predicting mortality in Korean ICUs, using national insurance claims data. Methods: Data were obtained from the health insurance c..

Pulmonology / Image of interest A patient with dyspnea and multiple pulmonary nodules Jae Seok Jeong, Jun Hyung Park, Ji In Maeng, Myoung Ja Chung, Yong Chul Lee Korean J Intern Med. 2024;39(3):539-540.   Published online April 19, 2024 DOI: https://doi.org/10.3904/kjim.2023.356

Pulmonology / Original Article Risk factors for progressing to critical illness in patients with hospital-acquired COVID-19 Kyung-Eui Lee, Jinwoo Lee, Sang-Min Lee, Hong Yeul Lee Korean J Intern Med. 2024;39(3):477-487.   Published online April 18, 2024 DOI: https://doi.org/10.3904/kjim.2023.347              Web of Science 1    Crossref 1                      Background/Aims: Risk factors for progression to critical illness in hospital-acquired coronavirus disease 2019 (COVID-19) remain unknown. Here, we assessed the incidence and risk factors for progression to critical illness and determined their effects on clinical outcomes in patients with hospital-..

Pulmonology / Editorial A novel strategy for predicting critical illness in hospital-acquired COVID-19 Woo Hyun Cho Korean J Intern Med. 2024;39(3):371-372.   Published online April 30, 2024 DOI: https://doi.org/10.3904/kjim.2024.127

Pulmonology / Image of interest Pregabalin-induced rhabdomyolysis in hemodialysis patient Dong Eon Kim, Sang Heon Song Korean J Intern Med. 2024;39(2):366-367.   Published online November 30, 2023 DOI: https://doi.org/10.3904/kjim.2023.379              Web of Science 1    Crossref 2