From: Clinicopathological significance of platelet-derived growth factor (PDGF)-B and vascular endothelial growth factor-A expression, PDGF receptor-β phosphorylation, and microvessel density in gastric cancer
VEGF over expression
< intestinal type >
(+)
(-)
PDGF overexpression
19
12
p < 0.005
7
25
total
26
37
< diffuse type >
17
p < 0.0001
2
20
27