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 (%)

T1-2a20 (32%)37 (11%)
T2b1 (1%)417 (27%)
T2c-4 37 (59%)52 (3%)
Unknown5 (8%)Unknown 37 (59%)

Nodal status (%)Seminal vesicle involvement (%)

Negative44 (70%)No41 (65%)
Positive9 (14%)Unilateral11 (17%)
Unknown10 (16%)Bilateral5 (8%)
Unknown6 (10%)

Gleason score (%)Vascular space involvement (%)

729 (46%)No 40 (63%)
811 (17%)Yes15 (24%)
920 (32%)Unknown8 (13%)
Unknown 3 (5%)

D’Amico Risk Group (%)Perineural involvement (%)

Intermediate31 (49%)No36 (57%)
High29 (46%)Yes17 (27%)
Unknown 3 (5%)Unknown 10 (16%)

Extracapsular extension (%)Lymph node dissection (LND) (%)

Absent19 (30%)No25 (40%)
Present41 (65%)Yes 37 (59%)
Unknown 3 (5%)N/A or unknown 1 (1%)

Positive margin (%)Extended LND (%)

Absent34 (54%)No20 (32%)
Present27 (43%)Yes22 (35%)
Unknown2 (3%)Unknown21 (33%)