From: Prevalence of herpes simplex, varicella zoster and Cytomegalovirus in tumorous and adjacent tissues of patients, suffering from colorectal cancer in Iran
Pathologic site
Tumor samples
Control samples
Gender
 Male
50
29
 Female
38
41
Differentiation
 Well adenoma
22
 Moderate adenoma
 Poor adenoma
28
 Positive HSV
0
3
 Negative HSV
88
67