Figure 4From: Solitary pulmonary metastasis from prostate sarcomatoid cancerPulmonary metastasis of prostate cancer. A, Gross appearance during thoracoscopic surgery. B, Gross appearance of the resected specimen. C-D, Histology of the lung tumor. Arrows indicate multinucleated giant cells. E, Cytokeratin AE1/3 immunostaining of the lung tumor.Back to article page