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Table 2 Patterns of recurrence and survival after cryosurgical ablation (CSA), radiofrequency ablation (RFA) or partial hepatectomy (PH) of colorectal liver metastases

From: Clinical outcome, proteome kinetics and angiogenic factors in serum after thermoablation of colorectal liver metastases

  CSA RFA PH
  (n = 20) (n = 22) (n = 134)
No recurrences 2 6 62
Recurrences 18 16 72
Single site 6 13 45
  Abdomen (extrahepatic) 1 4 8
  Liver remnant 2 5 12
  Ablation site 2 3  
  Lung/thorax 1 1 20
  Other single sites - - 5
Multiple sites 12 3 27
Ablation site recurrences 9 4  
  - ablation site only 2 3
  - ablation site and other sites 7 1
Median interval to recurrence (months) 8.5 9.0 9.0
(Range) (3–44) (2–31) (3–72)
Median overall survival (months) 17.6 51.7 43.4
5-year overall survival rate (%) 5 38 42