Table 1. Demographics of patients with colorectal cancer or normal colon (clinical specimens used in this study).

AJCC staging (colorectal cancer)	Subject age range (mean)	Gender (M/F)
I	44–81 (64)	2/1
II	66–76 (71)	3/1
III	75 (75)	1/0
IV	55–58 (56.5)	2/0
Normal colon	34–68 (54.2)	3/2