340 / 1983
PA node irradiation - prophylactic
•
Level Ib evidence
•
RTOG 79-20
–
367 patients, Ib2, IIa (> 4 cm), IIb
–
Pelvis vs. pelvis + PA (40-50 Gy, no chemo)
•
Results
–
10-year OS 44% vs. 55% (
p
= 0.02)
Rotman M, et al. JAMA. 1995;274(5):387-93