Table 2.

Basic information of patients with adenoma and CRC.

	N	TNM			Invasion depth				Lymph node
		I	II	III + IV	T1	T2	T3	T4	Positive	Negative
CRC	50	9	20	21	4	12	28	6	21	29
		Histological types			Degree of dysplasia
		tubular	tubulovillous	villous	LGD		HGD
Adenoma	50	33	15	2	40		10

LGD: lower grade dysplasia; HGD: high grade dysplasia.