The number of lesions meeting each response criteria
| Criteria | Number of lesions (%) |
|---|---|
| Diameter changes | |
| RECIST (≥30% decrease) | 4 (7%) |
| MASS (≥20% decrease) | 9 (15%) |
| Choi (≥10% decrease) | 13 (22%) |
| Density changes | |
| MASS (≥40HU decrease or marked central necrosis) | 0 (0%) |
| Choi (≥15% decrease) | 23 (39%) |
| Combined diameter and density criteria | |
| MASS (≥20% diameter decrease, ≥40HU density decrease, or marked central necrosis) | 9 (15%) |
| Choi ((≥10% diameter decrease of ≥15% density decrease) | 29 (49%) |