Table 1.

Clinicopathological Features of Colorectal Neoplasms

Adenoma	Early cancer	Advanced cancer
Total	155	32	45
Age (mean)	62.7	62.1	65.3
Gender (man/woman)	102/43	22/10	33/12
Location of tumor (right/left)	51/104	7/25	13/32
Size of tumor (mean, mm)	5–28 (13.2)	9–37 (18.4)	20–87 (48.5)
Grade of dysplasia
Low dysplastic	118
High dysplastic	54
Differentiation
Well	20	15
Moderately	12	30