Karapetis Karapetis CS CS Jonker Jonker D D Daneshmand Daneshmand M M PIK3CA, BRAF, and PTEN status and benefit from cetuximab in the treatment of advanced colorectal cancer—results from NCIC CTG/AGITG CO.17 PIK3CA, BRAF, and PTEN status and benefit from cetuximab in the treatment of advanced colorectal cancer—results from NCIC CTG/AGITG CO.17 Clin Cancer Res Clin Cancer Res 2014 2014 20 20 744 744 753 753 10.1158/1078-0432.CCR-13-0606 10.1158/1078-0432.CCR-13-0606 supplied-pmid 24218517? This evidence concerns the gene PTEN and colorectal cancer.