Fig. 3From: Signet ring cell carcinoma of rectum metastasizing to synchronous renal cell carcinoma: a case reportImmunohistochemistry results showing identical expression in the primary and metastatic components of the signet ring cells in RCC. a CK20 rectum (magnification: × 100). b CDX-2 rectum (magnification: × 50). c E-cadherin rectum (magnification: × 100). d CK20 RCC (magnification: × 100). e CDX-2 RCC (magnification: × 100). f E-cadherin RCC (magnification: × 200)Back to article page