Table 2.
Patterns of recurrence and elective treatment areas.
| PSMA pos. Local recurrence in prostate bed | |
| no | 278 (70.6) |
| yes | 116 (29.4) |
| PSMA-positive recurrences lymph nodes (n): | |
| N0 | 183 (46.4) |
| N1 | 211 (53.6) |
| PSMA-positive distant metastasis (n): | |
| M0 | 258 (65.5) |
| M1a | 57 (14.3) |
| M1b | 72 (18.1) |
| M1c | 7 (1.8) |
| Elective RT volumes: | |
| no | 204 (51.8) |
| yes | 190 (48.2) |
| Prostate bed only | 23 (12.1) |
| Prostate bed+lymphatics | 94 (49.5) |
| Lymphatics | 73 (38.4) |
| RT technique | |
| Conventional | 205 (52.0) |
| Conventional with SIB | 130 (33.0) |
| SBRT | 38 (9.6) |
| Conventional with SBRT | 21 (5.4) |
| Elective volume dose (EQD2/1.5 Gy) (median, range) | |
| Prostate bed | 66 (47.5-70) |
| Pelvic lymphatics | 47.5 (42–56) |
| Additive ADT | |
| no | 262 (66.5%) |
| yes | 130 (33.0%) |
| unknown | 2 (0.5%) |