The following article from International Journal of Cancer “Aberrant promoter methylation of multiple genes during multistep pathogenesis of colorectal cancers” by Takao Takahashi, Hisayuki Shigematsu, Narayan Shivapurkar, Jyotsna Reddy, Yingye Zheng, Ziding Feng, Makoto Suzuki, Masaharu Nomura, Meena Augustus, Jing Yin, Stephen J. Meltzer and Adi F. Gazdar, published online in February 2006 in Wiley Online Library (, has been retracted by agreement between the authors, the journal Editor in Chief, Professor Peter Lichter and John Wiley & Sons Ltd. The retraction has been agreed due to manipulation of Figure 1A and Figure 2A (page 926).