167 / 1068
Second interim analysis
after 500 pts in 5x5 Gy arms
(1998-2010)
5x5 Gy
immediate
TME
5x5 Gy
delayed
TME
Number of pts
234
228
Stockholm III Trial
ypT0 (%)
ypN0 (%)
2.1
63.7
11.8
71.5
CRM + (%)
11
9
Abdominoperineal Resection (%)
33
38
Petterssons et al., Br J Surg 2015