From: Expression of p53, inducible nitric oxide synthase and vascular endothelial growth factor in gastric precancerous and cancerous lesions: correlation with clinical features
P53
iNOS*
VEGF
Lymph node metastasis
No. of samples Examined
No. of positive stain n (%)
Yes
35
18 (51)
19 (55)
21 (60)
No
20
10 (50)
5 (25)
7 (35)