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Table 1 Clinical and pathologic characteristics of the rectal cancer samples

From: Recurrences in stage II rectal carcinoma after curative resection alone: from the viewpoint of angiogenesis

Characteristics

Number of patients

Total number

95

Age, median 69 years

 ≤69

49

 >69

46

Gender

 Male

61

 Female

34

Type of surgery

 Low anterior resection

76

 Abdominoperineal resection

19

Tumor location

 Upper rectum

23

 Middle rectum

52

 Low rectum

20

Grade of differentiation

 G1

55

 G2

34

 G3

6

Histologic type

 Adenocarcinoma

82

 Adenocarcinoma with mucinous features

13

Depth of tumor invasion

 T3

37

 T4a

42

 T4b

16

Tumor size

 ≤4 cm

64

 >4 cm

31

Tumor recurrence

 Yes

16

 No

79