Socioeconomic Determinants of the Use of Molecular Testing in Stage IV Colorectal Cancer

Objectives null Treatment with epidermal growth factor receptor monoclonal antibodies extends life for patients with advanced colorectal cancers (CRCs) whose tumors exhibit wild-type KRAS, but KRAS testing may be underused. We studied the role of socioeconomic factors in the application of KRAS testing. null Materials and methods null We identified subjects with stage IV colorectal adenocarcinoma diagnosed 2010-2015 in the Surveillance,...