A 38-year-old woman with history of multiple neurofi-bromatoses and surgery for an abdominal mass 4 years earlier, presented with dyspnea. Chest computed tomography showed a lesion in the right hemithorax (Figure 1) and loculated effusion in the mediastinum (Figure 2). She underwent decortication of the pleura. Biopsy of the mass revealed neurofibromatosis Type 1.
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