Observed lesions

Numbers (n = 719)

Percentage (%)

No lesion

287

39.9

Hemorrhoids

123

17.1

Diverticulosis

118

16.4

Polyp

82

11.4

Colorectal tumor

74

10.3

Colitis

39

5.4

Proctitis

28

3.9

Rectal ulcer

11

1.5

Other*

55

7.6