Table 1 Colorectal cancer patients characteristics demographic and clinicopathological features (n = 93)

Median age (min – max)

62 (30—88)

 > 50 anos

72

73.2

 < 50 anos

21

26.8

Gender

 Male

52

49.8

 Female

41

50.2

Postoperative therapy

 Yes

32

39.6

 No

61

60.4

Recurrence or metastasis

 Yes

16

22.7

 No

77

76.9

Tumor location

 Left-sided

46

49.5

 Right-sided

24

25.8

 Rectum

23

24.7

pT (primary tumor)

 T1

6

6.5

 T2

30

32.3

 T3

46

49.5

 T4 (a,b)

11

11.7

pN (lymph nodes)

 pN0

69

74.2

 pN + (1,2)

24

25.8

 Median of lymph nodes (min – max)

22 (7 – 55)

pM (metastasis)

 pM0

89

95.6

 pM1

4

4.4

pTNM-stage

 Stage I

34

36.5

 Stage II

33

35.5

 Stage III

22

23.7

 Stage IV

4

4.3

Histological subtype

 Adenocarcinoma

78

83.9

 Mucinous

8

8.6

 Medullary

3

3.2

 Adenoma-like

2

2.2

 Serrated

1

1.1

 Micropapillary

1

1.1

Tumor grade

 Low-grade

85

91.4

 High-grade

8

8.6

Angiolymphatic invasion

 Yes

21

22.6

 No

71

76.3

 Ignored

1

1.1

Perineural invasion

 Yes

7

7.5

 No

81

87.1

 Ignored

5

5.4