Patient Characteristics
| Patient no. | Age (y) | No. of prior regimens | Time from ASCT to radioimmunotherapy (mo) | Bulky (≥5 cm) | Refractory to rituximab | Bone marrow involvement |
| 1 | 42 | 1 | 6 | No | No | No |
| 2 | 56 | 1 | 8 | No | No | <25% |
| 3 | 38 | 1 | 5 | No | No | No |
| 4 | 62 | 2 | 10 | No | No | No |
| 5 | 41 | 1 | 6 | No | No | <25% |
| 6 | 61 | 2 | 6 | No | No | No |
| 7 | 36 | 1 | 8 | No | No | No |