Fig. 4

Immunohistochemical comparison between S100A10 and ANX A2 in case 1. II: Surface tumor components without tumor buds and PDCs. a The tumor components show a weak cytoplasmic positivity and a membranous positive reaction at their luminal surface. S100A10 immunostain. b Image corresponds to (a). Immunoreactivity for ANX A2 is almost the same as that for S100A10. ANX A2 immunostain. Scale bars: 100 μm