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Table 1 Routine surveillance protocol according the local guidelines
From: Surveillance for early stages of colon cancer: potentials for optimizing follow-up protocols
| Months after operation | Medical history and physical examination | Complete blood count (CEA, CA 19–9 included) | Contrast-enhanced abdominal ultrasound | Abdominal and chest computed tomoghapy | Colonoscopy |
|---|---|---|---|---|---|
| 6 | X | X | X | ||
| 12 | X | X | X | X | |
| 18 | X | X | X | ||
| 24 | X | X | X | ||
| 30 | X | X | X | ||
| 36 | X | X | X | X | |
| 48 | X | X | X | ||
| 60 | X | X | X |
