In this article (Clin Cancer Res 2010;16:6049–59), which was published in the December 15, 2010 issue of Clinical Cancer Research (1), there was an error in the labeling of Figure 4. The correct figure appears below. The online article has been changed to reflect this correction and no longer matches the print.

1.
Jamal
M
,
Rath
BH
,
Williams
ES
,
Camphausen
K
,
Tofilon
PJ
. 
Microenvironmental regulation of glioblastoma radioresponse
Clin Cancer Res
2010
:
16
;
6049
59
.