From: Comparison of rectal volume definition techniques and their influence on rectal toxicity in patients with prostate cancer treated with 3D conformal radiotherapy: a dose-volume analysis
Patients
Age (years)
Median
69
Range
48–82
Pretreatment PSA
n (%)
≤ 10 ng/mL
37 (39)
> 10 ng/mL
57 (61)
Gleason score
6
55 (59)
7
30 (32)
8
3 (3)
9
6 (6)
Stage
T1
12 (13)
T2
63 (67)
T3
19 (20)