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. Author manuscript; available in PMC: 2013 May 3.
Published in final edited form as: Clin Lung Cancer. 2011 May 17;12(6):369–374. doi: 10.1016/j.cllc.2011.02.002

Figure 1.

Figure 1

Representative microphotographs of two sarcomatoid lung carcinomas (A, pleomorphic subtype, and D, giant cell, hematoxilyn-eosin, H&E) with strong cytoplasmic expression of PDGF-B (B and E; black arrows) and PDGFR-β (C and F; black arrows) in highly atypical malignant cells. Tumor stromal cells and blood vessel endothelial cells show PDGFR-β IHC expression (red arrow). Magnification of ×200.