Table 2.
Trials [Reference] | Follow-up programs compared | CEA testing used | Liver Imaging testing used |
Makela [36] | Intense vs. Conventional | Yes | Yes |
Ohlsson [37] | Intense vs. Minimal | Yes | No |
Kjeldsen [38] | Intense vs. Minimal | No | No |
Schoemaker [39] | Intense vs. Minimal | No* | Yes |
Pietra [40] | Intense vs. Conventional | Yes | Yes |
Secco [41] | Intense vs. Minimal | Yes | Yes |
* Isolated increase in CEA levels did not trigger further investigations.