Figure 1: Clear cell papillary renal cell carcinoma. A. Note papillary architecture and clear cell cytoplasm (hematoxylin-eosin, 200x); B. CK7 is positive in tumor (CK7, 200x); C. Vimentin is positive in tumor (vimentin, 200x); D. AMACR is negative in tumor. (AMACR, 200x).