Variables

Number

Percentage

Type of endoscopy

Rectosigmoidoscopy

40

58.8

Total colonoscopy

28

41.2

Tumor site

Lower rectum

31

45.6

Middle rectum

21

30.9

High rectum

16

23.5

Location of the tumor

Circumferential

26

38.2

Anterior

23

33.8

Posterior

5

7.3

Left side

8

11.8

Right side

6

8.8

Macroscopic aspect

Budding appearance

29

42.2

Ulcerative budding appearance

31

45.6

Ulcerative infiltration

7

10.3

Stenosing aspect

23

33.8

Hemorrhagic lesion

14

20.6