Table 1.

Patients and tissues characteristics.

Groups	ADE (n = 34)	ADK (n = 165)
Age y, median (range)	62 (39–87)	69 (28–89)
Male/Female	24/10	107/58
Localization
Rectum	n = 3	n = 44
Left colon	n = 22	n = 56
Transverse colon	n = 1	n = 8
Right colon	n = 6	n = 55
Differentiation
G1		n = 91
G2		n = 48
G3	NA	n = 14
Pathological stage
pTis	NA	n = 20
pT1		n = 7
pT2		n = 20
pT3		n = 96
pT4		n = 22

NT: normal colorectal tissue; ADE: adenoma; ADK: adenocarcinoma. y: years; NA, not applicable.