Clinical Study
Volumetric Modulated Arc Therapy of the Pelvic Lymph Nodes to the Aortic Bifurcation in Higher Risk Prostate Cancer: Early Toxicity Outcomes
Table 4
Tumour characteristics: RP cohort (
).
| T stage | (%) | Gleason score at margin | (%) |
| T1-2a | 20 (32%) | 3 | 7 (11%) | T2b | 1 (1%) | 4 | 17 (27%) | T2c-4 | 37 (59%) | 5 | 2 (3%) | Unknown | 5 (8%) | Unknown | 37 (59%) |
| Nodal status | (%) | Seminal vesicle involvement | (%) |
| Negative | 44 (70%) | No | 41 (65%) | Positive | 9 (14%) | Unilateral | 11 (17%) | Unknown | 10 (16%) | Bilateral | 5 (8%) | | | Unknown | 6 (10%) |
| Gleason score | (%) | Vascular space involvement | (%) |
| 7 | 29 (46%) | No | 40 (63%) | 8 | 11 (17%) | Yes | 15 (24%) | 9 | 20 (32%) | Unknown | 8 (13%) | Unknown | 3 (5%) | | |
| D’Amico Risk Group | (%) | Perineural involvement | (%) |
| Intermediate | 31 (49%) | No | 36 (57%) | High | 29 (46%) | Yes | 17 (27%) | Unknown | 3 (5%) | Unknown | 10 (16%) |
| Extracapsular extension | (%) | Lymph node dissection (LND) | (%) |
| Absent | 19 (30%) | No | 25 (40%) | Present | 41 (65%) | Yes | 37 (59%) | Unknown | 3 (5%) | N/A or unknown | 1 (1%) |
| Positive margin | (%) | Extended LND | (%) |
| Absent | 34 (54%) | No | 20 (32%) | Present | 27 (43%) | Yes | 22 (35%) | Unknown | 2 (3%) | Unknown | 21 (33%) |
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