Tumor Response Classifications of D5PS (2009)
| Classification | Criteria |
| 1 | No uptake > background activity |
| 2 | Uptake ≤ mediastinal blood-pool activity |
| 3 | Uptake between mediastinal blood pool and liver activity |
| 4 | Uptake moderately > liver activity |
| 5 | Uptake markedly > liver activity |