Medical Thoracoscopy for Diagnosing Unexplained Pleural Effusion: a National Multicenter Retrospective Study
Medical Thoracoscopy for Diagnosing Unexplained Pleural Effusion: a National Multicenter Retrospective Study
This study is a national multicenter retrospective study. Patients with unexplained pleural effusion who underwent thoracoscopic or video-assisted thoracoscopic biopsy for patients in recent 10 years were retrospectively collected from multiple centers to understand the proportion and final etiological composition of pleural effusion in China.
Inclusion Criteria:
Patients with unexplained pleural effusion who underwent thoracoscopic or video-assisted thoracoscopic biopsy
Exclusion Criteria:
Patients who cannot obtain a final diagnosis
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