Fig. 1From: High infiltration of mast cells positive to tryptase predicts worse outcome following resection of colorectal liver metastasesRepresentative immunohistochemical staining patterns of formalin-fixed, paraffin-embedded sections of colorectal liver metastases using monoclonal antibodies to (a) tryptase, (b) MAC387, (c) CD83, and (d) CD31. Original magnification, ×200. Scale bar, 50 μmBack to article page