Fig. 3From: Two cases of colorectal liver metastasis with residual liver recurrence after a long recurrence-free survival periodImmunohistochemical findings of Case 1. a Colon cancer cells were positive for cytokeratin (CK) 7. b Colon cancer cells were positive for CK20. c Colon cancer cells were positive for caudal-type homeobox transcription factor (CDX) 2. d Liver tumor cells were positive for CK7. e Liver tumor cells were positive for CK20. f Liver tumor cells were positive for CDX2Back to article page