Clinical Scenarios for Colorectal Cancer
| Scenario no. | Description | Appropriateness | Score |
| 1 | Restaging for detection of local recurrence | Appropriate | 7 |
| 2 | Restaging for detection of metastases | Appropriate | 8 |
| 3 | Detection of local recurrence or metastasis in the case of rising tumor markers with negative or equivocal first-line imaging (e.g., contrast-enhanced CT or MRI) | Appropriate | 8 |
| 4 | Treatment response evaluation | May be appropriate | 6 |
| 5 | Assessment of response of metastases after chemotherapy | May be appropriate | 6 |
| 6 | Early assessment of metastases during chemotherapy | May be appropriate | 6 |
| 7 | Assessment of efficacy of neoadjuvant therapy for advanced rectal carcinoma | May be appropriate | 6 |
| 8 | Assessment of efficacy of localized minimally invasive therapy | May be appropriate | 6 |