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Table 1 Clinicopathological features of 228 cases of extra hepatic cholangiocarcinoma

From: Evaluation of extra capsular lymph node involvement in patients with extra-hepatic bile duct cancer

Clinicopathological characteristics (N = 228)

Tumor location

Hilar n = 110

Distal n = 118

Age(years)

>70

126

69

57

Gender

Male/Female

152/76

85/25

67/51

Surgical procedure

Major hepatectomy

90

81

9

 

P.D

95

8

87

 

P.D with major hepatectomy

14

8

6

 

Extra hepatic bile duct resection

29

13

16

pT Factor

T1-2

91

46

45

 

T3-4

137

64

73

Lymph node metastasis

Present/Absent

79/149

41/69

38/80

Vascular invasion

Present/Absent

46/182

35/75

11/107

Perineural invasion

Present/Absent

184/44

92/18

92/26

Histological grade

G1

64

27

37

 

G2

128

63

65

 

G3

33

19

14

 

Others

2

1

2

Microscopic margin status

Positive/Negative

29/199

16/94

13/105

  1. Clinicopathological characteristics of patients in this study. pT: 7th classification of AJCC pathological T factor P.D: Pancreaticoduodenectomy.