Fig. 1From: Ki-67 protein expression and tumor associated inflammatory cells (macrophages and mast cells) in canine colorectal carcinomaCanine colorectal carcinoma. a Immunoreactivity of tumor cell nuclei for Ki-67 protein (arrows). Bar = 50 μm. b Hematoxylin-eosin stained section showing mitotic cells (arrow heads). Hematoxylin-eosin. Bar =50 μmBack to article page