Journal
JOURNAL OF INTERNATIONAL MEDICAL RESEARCH
Volume 50, Issue 10, Pages -Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/03000605221128092
Keywords
Airway dissemination; prognosis; pulmonary sarcomatoid carcinoma; thoracic surgery; overall survival; disease-free survival; regression analysis
Funding
- Scientific Research Foundation of Tianjin Municipal Education Commission [2020KJ156]
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The study aimed to evaluate clinical factors influencing the prognosis of postoperative pulmonary sarcomatoid carcinoma (PSCs). The findings showed that pure PSCs occurred more frequently with large tumors, while airway dissemination, pleural retraction, and metastatic mediastinal lymph node number were associated with patient survival.
Objective To evaluate clinical factors influencing the postoperative pulmonary sarcomatoid carcinoma (PSCs) prognosis. Methods We retrospectively evaluated patients with PSCs treated from October 2012 to October 2017. Kaplan-Meier survival curves were calculated using univariable analysis (log-rank test). Univariable/multivariable Cox regression analysis was also performed. Results Mixed PSCs were most common (64.10%). Pure PSCs occurred more often with large tumors compared with mixed PSCs. Patients with vs without pleural retraction, respectively, had significantly worse overall survival (OS; 16 vs 23 months) and disease-free survival (DFS; 11 vs 20 months), and patients with airway dissemination had significantly shorter OS (14 vs 21 months) and DFS (11 vs 20 months). Patients with PSC with an adenocarcinoma component had favorable OS. Airway dissemination, pleural retraction, metastatic mediastinal lymph node (LN) number, and pathological tumor-node-metastasis (pTNM) stage were risk factors for short OS. Neither adjuvant chemotherapy nor adjuvant radiotherapy provided a survival advantage. Airway dissemination was an independent prognostic factor (odds ratio, 1.87; 95% confidence interval, 1.04-3.36). Conclusion Pure PSCs were more likely with large tumors compared with mixed PSCs. Airway dissemination, pleural retraction, and metastatic mediastinal LN number were associated with OS. Airway dissemination was an independent prognostic factor.
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