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Table 2 The characteristics of liver metastasis

From: Clinical features and prognosis in hepatectomy for colorectal cancer with centrally located liver metastasis

  Centrally located Peripherally located P values
( n = 24) ( n = 135)
CEA level before hepatectomy (ng/ml) 366.2 ± 205.5 (0.88 to 4,280.0) 109.9 ± 53.2 (0.50 to 7,025.0) 0.095
Interval of hepatic metastasisa
 Synchronous 17 (70.8%) 87 (64.4%) 0.544
 Metachronous 7 (29.2%) 48 (35.6%)  
Involved segment(s)
 Single 3 (12.5%) 56 (41.5%) 0.006
 Multiple 21 (87.5%) 79 (58.5%)  
Lobar distribution
 Unilobar 6 (25.0%) 108 (80.0%) 0.000
 Bilobar 18 (75.0%) 27 (20.0%)  
Maximal diameter of the largest metastasis (cm) 5.9 ± 0.8 (1.2 to 17.9) 3.0 ± 2.4 (0.3 to 10.8) 0.000
Number of metastasis
 Solitary 10 (41.7%) 91 (67.4%) 0.016
 Multiple 14 (58.3%) 44 (32.6%)  
Differentiation of metastasis
 Well 5 (20.8%) 10 (7.4%) 0.113
 Moderately 18 (75.0%) 120 (88.9%)  
 Poorly 1 (4.2%) 5 (3.7%)  
  1. aThe metachronous type was defined as when the metastasis was noted for 3 months or more after resection of primary colorectal cancer.