In this article (Clin Cancer Res 2011;17:1895–905), which was published in the April 1, 2011, issue of Clinical Cancer Research (1), the cell lines presented in Fig. 1B, specifically the Western blotting bands used in E6-overexpressing A549 cells, are incorrect. The authors have provided a new version of Fig. 1 (below). The conclusions set forth in the article remain unchanged. The authors regret this error.

1.
Wu
D-W
,
Liu
W-S
,
Wang
J
,
Chen
C-Y
,
Cheng
Y-W
,
Lee
H
. 
Reduced p21WAF1/CIP1 via alteration of p53–DDX3 pathway is associated with poor relapse-free survival in early-stage human papillomavirus–associated lung cancer
.
Clin Cancer Res
2011
;
17
:
1895
905
.