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Table 1 Norwegian Gastrointestinal Cancer Group (NGICG) 2007 Surveillance Program

From: A prospective analysis of false positive events in a National Colon Cancer Surveillance Program

Examination/test Surveillance cycle (postoperative months)
  1 3 6 9 12 15 18 21 24 30 36 42 48 54 60
Chest x-ray    X   X   X   X   X   X   X
Liver ultrasonography    X   X   X   X   X   X   X
Colonoscopy      X         X   
CEA measurement X X X X X X X X X X X X X X X
Clinical examination X X X X X X X X X X X X X X X