394 / 1498
PFS from RE2
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0
12
24
36
48
60
72
84
p = 0.381
181
30 Gy RT
169
165
157
142
101
66
33
221
no RT
205
196
187
172
131
75
32
Pts. at Risk
Time [months]
Radiotherapy Arm
30 Gy RT
no RT
HD12 patients with bulk only (PFS; n=402)
Bulk only (n= 402)
Overall 5 yr. PFS
92.5% [89.9%, 95.2%]
Arm difference (5 yrs.)
-1.4%[-6.8%, 4.0%]
Log-Rank test
p=0.381
RT vs. No RT
86.7% (157/181) vs 2.3% (5/221)