Rapidly Progressive Lung Cysts and Pleural Effusion: A Case Report

<table>Photomicrograph of thoracoscopic biopsy specimen (hematoxylin-eosin, original × 100) demonstrating pleomorphic endothelial cells with pale cytoplasm, hyperchromatic nuclei, and mitotic figures.</table>

Case Reports in Pulmonology

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Figure 4

Figure 4: Rapidly Progressive Lung Cysts and Pleural Effusion: A Case Report 