1Lung cancer and respiratory comorbiditiesCHEN Bo-jiang, LI Wei-minSYMPOSIUM399-4022Progress in immunotherapy targeting PD-1/PD-L1 for lung cancerDU Wen-wen, HUANG Jian-anSYMPOSIUM403-4063Molecular diagnostics of lung cancer and its research progressWEI Yu-qing, LYU Tang-feng, LIU Hong-bing, SONG YongSYMPOSIUM407-4114Lung cancer and respiratory commorbiditySHEN Li-sha, ZHOU Jian-yingSYMPOSIUM412-4155Diagnosis and treatment strategy for advanced severe lung cancerXIE Zhan-hong, ZHOU Cheng-zhi, QIN Yin-yin, OUYANG Ming, LI Shi-yue, CHEN Rong-chang, ZHONG Nan-shanSYMPOSIUM416-4196Progress in diagnosis and treatment of stage ⅠA lung cancerLI Li, LI MinSYMPOSIUM420-4247Problems and thoughts in diagnosis and treatment of chronic obstructive pulmonary diseaseSHEN Yong-chun, CHEN Lei, WEN Fu-qiangGUIDELINE AND CONSENSUS425-4308Interpretation of the guidelines for clinical diagnosis of idiopathic pulmonary fibrosis in 2018CAO Meng-shu, CAI Hou-rongGUIDELINE AND CONSENSUS431-4369Interpretation of expert consensus on diagnosis and treatment of eosinophilic granulomatous polyvasculitis in 2018LIN Yan-feng, ZHANG Ying-xiu, FU Chao-li, LIN Mei-shun, CHEN Jia-mei, ZHANG Bei-ping, LIU Tian-wenGUIDELINE AND CONSENSUS437-43910Interpretation of chinese expert consensus on the diagnosis and treatment of pulmonary nodules (2018 version)WANG Lu, HONG Qun-yingGUIDELINE AND CONSENSUS440-44211Treatment for latent tuberculosis infection in China: advantages or disadvantagesDONG Xiao-wei, LIU Yu-qin, LU Shui-huaACADEMIC CONTENDING443-44612Distribution of pathogenic bacteria and drug resistance analysis in patients with acute exacerbation of chronic obstructive pulmonary diseaseTANG Huo-yan, LIU Hu, ZHAO Yun, XU Jian-yingORIGINAL CONTRIBUTION447-45113Decitabine combined with arsenious acid in the treatment of patients with higher-risk myelodysplastic syndromes and chronic myelomonocytic leukemiaLU Xing-yu, WU Xue-mei, WU Wen-zhong, LI Bing-zong, LIN Yun, ZHANG Xin-long, SHEN Yun-feng, ZHOU Xin, LU Xu-zhang, ZHU Yan, SHI Jin-ning, GAO Hua-qiang, XU Min, XIE Xiao-bao, HE Guang-sheng, LI Jian-yongORIGINAL CONTRIBUTION452-45514Clinical follow-up study on the treatment of middle cerebral artery stenosis with balloon-expandable stent: 67 cases analysisSU Xu-dong, LIU Zeng-pin, ZHOU Cun-he, YU Jiang-huaORIGINAL CONTRIBUTION456-45915First-generation epithelial growth factor receptor tyrosine kinase inhibitor in the first-line treatment of advanced non-small cell lung cancer: 166 cases analysis of progression-free survivalWANG Yang, LI Min, JIANG Juan, CAO Li-ming, YANG Hua-ping, DENG Peng-bo, HU Cheng-pingORIGINAL CONTRIBUTION460-46316Application value of urinary paraquat concentration in prognosis analysis of acute paraquat poisoning patientsWANG Luan, ZHAO MinBRIEF REPORT464-46517Latest progress in the treatment of obesity hypoventilation syndromeYAN Xin, ZHANG Li-qiangREVIEW466-46918Anti-hypertension and reno-protection effects of renin-angiotensin-aldosterone system inhibitors-related combination strategiesLIU Jing, ZENG Xiao-xi, CHENG Yi-ming, FU PingREVIEW470-47319Upper right lung mass with eosinophiliaYANG Cheng-qing, DU Rong-hui, LIU Xiao-yu, CAO Tan-ze, LEI Mei, QIN Li-xinDISCUSSION OF CLINICAL CASES474-47720Acute myocardial infarction complicated with pulmonary embolism in a young male: a case report and literature reviewZHOU Ling-ling, XIA Guo-ji, XU Jin-song, SU Tao, PAN YeCASE REPORT478-480 