PMC7481573_01
PMC7481573_02
CT Angiogram of the Thorax shows bilateral airspace disease probably represents alveolar edema with large bilateral pleural effusions.
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A CT of the thorax with contrast ruled out pulmonary embolism but there was alveolar edema with large bilateral pleural effusions (Fig. 1).
Biopsy of the Pulmonary Nodule: In the center of the microscopic image is a nested cluster of malignant cells. These cells have atypical, occasionally angulated hyperchromatic nuclei. There is a single central mitotic figure. This cluster of malignant cells is within a vascular space which is lined by atypical cells which are histologically identical to the free-floating tumor cells.
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Immunohistochemical staining of the lesion showed malignant cells positive for ERG, CD31, and CD34 features consistent with an angiosarcoma (Fig. 2).