Adenomatouspolyps 0-1 cm 1.5 cm 2 cm 2.5 cm 3 cm 3.5 cm 4 cm >4 cm Total
Tubular low grade dysplasia 115 34 8 1 0 1 0 0 159
Tubular high grade dysplasia 10 24 19 7 0 2 0 4 66
Tubulovillous low grade dysplasia 7 1 0 0 0 0 0 0 8
Tubulovillous high grade dysplasia 3 8 4 5 4 0 0 0 24
Villous low grade dysplasia 0 4 0 0 0 0 0 0 4
Villous high grade dysplasia 0 2 6 1 1 0 1 2 13
Total 135 73 37 14 5 3 1 6 274
Table 4: Size Distribution of different types of adenomatous colorectal polyps.