Table 1. Summary of the clinicopathologic features of ulcerative colitis, adenoma and carcinoma patients.

	No. of ulcerative colitis patients	No. of colorectal adenoma patients	No. of colorectal cancer patients
Number of patients	220	232	449
Male/Female	115/105	117/115	248/201
Age
Median	46.3	48.2	59.4
Range	30–72	31–78	30–81
Number of lesions	–	272	462
Location
colon	–	220	256
Rectum	–	52	206
Extent
Proctitis	52	–	–
Left sided	78	–	–
Subtotal/total	90	–	–