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Zhao T, Yi J, Luo D, Liu J, Fan X, Wu Q, Wang W. Prognostic factors for invasive mucinous adenocarcinoma of the lung: systematic review and meta-analysis. World J Surg Oncol 2024; 22:41. [PMID: 38303008 PMCID: PMC10835932 DOI: 10.1186/s12957-024-03326-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Accepted: 01/23/2024] [Indexed: 02/03/2024] Open
Abstract
BACKGROUND Invasive mucinous adenocarcinoma of the lung (IMA) is a unique and rare subtype of lung adenocarcinoma with poorly defined prognostic factors and highly controversial studies. Hence, this study aimed to comprehensively identify and summarize the prognostic factors associated with IMA. METHODS A comprehensive search of relevant literature was conducted in the PubMed, Embase, Cochrane, and Web of Science databases from their inception until June 2023. The pooled hazard ratio (HR) and corresponding 95% confidence intervals (CI) of overall survival (OS) and/or disease-free survival (DFS) were obtained to evaluate potential prognostic factors. RESULTS A total of 1062 patients from 11 studies were included. In univariate analysis, we found that gender, age, TNM stage, smoking history, lymph node metastasis, pleural metastasis, spread through air spaces (STAS), tumor size, pathological grade, computed tomography (CT) findings of consolidative-type morphology, pneumonia type, and well-defined heterogeneous ground-glass opacity (GGO) were risk factors for IMA, and spiculated margin sign was a protective factor. In multivariate analysis, smoking history, lymph node metastasis, pathological grade, STAS, tumor size, and pneumonia type sign were found to be risk factors. There was not enough evidence that epidermal growth factor receptor (EGFR) mutations, anaplastic lymphoma kinase (ALK) mutations, CT signs of lobulated margin, and air bronchogram were related to the prognosis for IMA. CONCLUSION In this study, we comprehensively analyzed prognostic factors for invasive mucinous adenocarcinoma of the lung in univariate and multivariate analyses of OS and/or DFS. Finally, 12 risk factors and 1 protective factor were identified. These findings may help guide the clinical management of patients with invasive mucinous adenocarcinoma of the lung.
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Affiliation(s)
- Ting Zhao
- Department of Respiratory and Critical Care Medicine, The Affiliated Hospital, Southwest Medical University, 646099, Luzhou, Sichuan, China
- Inflammation & Allergic Diseases Research Unit, The Affiliated Hospital, Southwest Medical University, 646099, Luzhou, Sichuan, China
| | - Jianhua Yi
- Department of Respiratory and Critical Care Medicine, The Affiliated Hospital, Southwest Medical University, 646099, Luzhou, Sichuan, China
- Inflammation & Allergic Diseases Research Unit, The Affiliated Hospital, Southwest Medical University, 646099, Luzhou, Sichuan, China
| | - Dan Luo
- Department of Respiratory and Critical Care Medicine, The Affiliated Hospital, Southwest Medical University, 646099, Luzhou, Sichuan, China
- Faculty of Chinese Medicine, State Key Laboratory of Quality Research in Chinese Medicine and University Hospital, Macau University of Science and Technology, Taipa, 999078, Macao, China
- Inflammation & Allergic Diseases Research Unit, The Affiliated Hospital, Southwest Medical University, 646099, Luzhou, Sichuan, China
| | - Junjun Liu
- Department of Respiratory and Critical Care Medicine, The Affiliated Hospital, Southwest Medical University, 646099, Luzhou, Sichuan, China
- Inflammation & Allergic Diseases Research Unit, The Affiliated Hospital, Southwest Medical University, 646099, Luzhou, Sichuan, China
| | - Xianming Fan
- Department of Respiratory and Critical Care Medicine, The Affiliated Hospital, Southwest Medical University, 646099, Luzhou, Sichuan, China.
- Inflammation & Allergic Diseases Research Unit, The Affiliated Hospital, Southwest Medical University, 646099, Luzhou, Sichuan, China.
| | - Qibiao Wu
- Faculty of Chinese Medicine, State Key Laboratory of Quality Research in Chinese Medicine and University Hospital, Macau University of Science and Technology, Taipa, 999078, Macao, China.
- Zhuhai MUST Science and Technology Research Institute, 51900, Zhuhai, Guangdong, China.
| | - Wenjun Wang
- Department of Respiratory and Critical Care Medicine, The Affiliated Hospital, Southwest Medical University, 646099, Luzhou, Sichuan, China.
- Inflammation & Allergic Diseases Research Unit, The Affiliated Hospital, Southwest Medical University, 646099, Luzhou, Sichuan, China.
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