Table 1 Specimen characteristics (n = 119)

Tumor stage

 I

5

4

 II

41

34

 III

52

44

 IV

21

18

Tumor grade

 2

76

64

 3–4

43

36

Tumor site

 right colon

52

44

 left colon

45

38

 rectum

22

18

Mucinous histology

 yes

37

31

 no

82

69

KRAS status

 wild-type

67

56

 mutant

52

44

BRAF status

 wild-type

108

91

 mutant

11

9

EZH2 rs3757441 genotype

 C/C

5

4

 C/T

51

43

 T/T

63

53

EZH2 staining intensity

 3+

55

46

 2+

33

28

 1+

14

12

 negative

17

14

H3K27me3 staining intensity

 3+

48

40

 2+

40

34

 1+

17

14

 negative

14

12