SurvExpress is a comprehensive gene expression database and web-based tool providing survival analysis and risk assessment in cancer datasets using a biomarker gene list as input. outcomes. SurvExpress provides survival analysis and risk assessment in cancer datasets using a biomarker gene list as input. The analysis requires only the list of genes and can be performed in approximately one minute per dataset (Aguirre-Gamboa et al, Plos one 8:e74250, 2013). Registration not required.