Review
Copyright ©The Author(s) 2002.
World J Gastroenterol. Feb 15, 2002; 8(1): 21-25
Published online Feb 15, 2002. doi: 10.3748/wjg.v8.i1.21
Table 3 Morphology of 137 cases of early stage colorectal cancer under endoscopy
MorphologyTypenRatio
PolypoidI13195.6
ElevatedIIa21.4
FlatIIb10.7
DepressedIIc or IIc + IIa32.3