Figure 1From: KRAS, EGFR, PDGFR-α, KIT and COX-2 status in carcinoma showing thymus-like elements (CASTLE)HE and immunohistochemical stainings. A-F. HE staining case 1–6. A. HE case 1, B. HE case 2, C. HE case 3, D. HE case 4, E. HE case 5, F. HE case 6. G-L. Immunohistochemical staining case 1–6 for CD5, CD117, CK5/6, COX-2, EGFR and TTF-1. G. CD5 case 1. H. CD117 case 5. I. CK5/6 case 4. J. EGFR case 6. K. COX-2 case 2. L. TTF-1 case 3.Back to article page