Original Article
Copyright ©2011 Baishideng Publishing Group Co.
World J Gastroenterol. Nov 28, 2011; 17(44): 4867-4874
Published online Nov 28, 2011. doi: 10.3748/wjg.v17.i44.4867
Figure 1
Figure 1 Immunohistochemical of colorectal cancer tissues used the anti-vascular endothelial growth factor-A antibody. A: Vascular endothelial growth factor (VEGF)-A was expressed in tumor cells but not in stromal cells; B: VEGF-A was expressed in stromal cells but not in tumor cells.