case_images: PMC4748782_01
case_images: CT scan showing large heterogeneous left-sided pleural effusion.
case_images: cro-0009-0039-g01.jpg
case_images: PMC4748782_01_cro-0009-0039-g01.jpg
case_images: F1
case_images: A CT scan of the chest showed a large effusion on the left with some loculation inferomedially (fig. 1).
case_images: Large gelatinous mass with bleeding into the pleural cavity as seen on video-assisted thoracoscopic surgery.
case_images: cro-0009-0039-g02.jpg
case_images: PMC4748782_01_cro-0009-0039-g02.jpg
case_images: F2
case_images: With a high suspicion for hemorrhagic effusion, he underwent video-assisted thoracoscopic surgery which revealed a large 12.5 x 8.0 cm gelatinous mediastinal mass with bleeding into the pleural cavity (fig. 2).
case_images: Myxoid stroma with high mitotic activity and pleomorphism. Tumor cells are seen at 400x magnification.
case_images: cro-0009-0039-g03.jpg
case_images: PMC4748782_01_cro-0009-0039-g03.jpg
case_images: F3
case_images: A biopsy of the mass revealed myxoid stroma with pleomorphic cells and atypical nuclei with high mitotic activity most consistent with myxofibrosarcoma (fig. 3).