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Table 1 Clinical, morphological and histopathological features of the lesions analyzed in the study

From: Somatic targeted mutation profiling of colorectal cancer precursor lesions

Characteristic

Number of cases

(%)

Age (mean ± sd)

62.9 ± 9.09

–

Gender

 Male

43

49.4

 Female

44

50.6

Histology

 Adenoma

67

74.4

  Tubular

51

56.7

  Tubulovillous

13

14.4

  Villous

3

3.3

 Serrated polyps

23

25.6

  Hyperplastic polyps

16

17.8

    MVHP

9

10.0

    GCHP

7

7.8

  Sessile Serrated Lesion

7

7.8

Morphology

 Polypoid

76

84.4

 Non polypoid

14

15.6

Location

 Proximal colon

40

44.4

 Distal colon

50

55.6

Size mm

 < 10

69

76.7

 ≥ 10

21

23.3

  1. Sd standard deviation
  2. N = 87 patients and 90 precursor lesions