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Table 1 Clinicopathologic characteristics of patients with intrahepatic cholangiocarcinoma (n = 153)

From: Predictors and patterns of recurrence after curative liver resection in intrahepatic cholangiocarcinoma, for application of postoperative radiotherapy: a retrospective study

Variable

Patients, n (%)

Median (range)

Age

 

59 (37–80)

Male

96 (62.7)

 

Operative characteristics

  

Type of resection

  

 Wedge resection

3 (2.0)

 

 Segmentectomy

11 (7.2)

 

 Multiple segmentectomy

25 (16.3)

 

 Hemihepatectomy

92 (60.1)

 

 Extended hemihepatectomy

22 (14.4)

 

Pathologic characteristics

  

 Tumor size, cm

 

4.5 (0.5–14.0)

 Tumor size ≥4 cm

97 (63.4)

 

 Multiple tumors

37 (24.2)

 

Lymphadenectomy performed

81 (52.9)

 

LN positive disease

38 (24.8)

 

Number of LN retrieved

 

7 (1–44)

Number of positive nodes

 

0 (0–22)

Subtype

  

 Mass forming

117 (76.5)

 

 Periductal infiltrative

36 (23.5)

 

Histology

  

 Adenocarcinoma

140 (91.5 %)

 

 Non-adenocarcinoma

13 (8.5 %)

 

Lymphovascular invasion

55 (35.9)

 

Perineural invasion

36 (23.5)

 
  1. LN lymph node