PMC8557255_01
Radiologic and pathologic findings.
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F1
A computed tomographic (CT) scan of the chest, abdomen, and pelvis revealed a huge upper quadrant complex mass (Figure 1A), whereas a biopsy of the mass revealed high-grade malignant neoplasm. On immunohistochemistry, the tumor stained positive for CK 7, PAX-8, and CD-10, whereas AE1/AE3 was focally positive (Figure 1B-E). CT scan of the chest revealed a new irregular area of pleural soft tissue at the posterior medial aspect of the left lower lobe of the lung (Figure 1G).