26 Hu-Lieskovan Hu-Lieskovan S S Vallbohmer Vallbohmer D D Zhang Zhang W W Yang Yang D D Pohl Pohl A A Labonte Labonte MJ MJ et al et al EGF61 polymorphism predicts complete pathologic response to cetuximab-based chemoradiation independent of KRAS status in locally advanced rectal cancer patients EGF61 polymorphism predicts complete pathologic response to cetuximab-based chemoradiation independent of KRAS status in locally advanced rectal cancer patients Clin Cancer Res Clin Cancer Res 2011 2011 17 17 15 15 5161 5161 5169 5169 21673069 21673069. The gene discussed is KRAS; the disease is rectal cancer.