Fig. 2From: Development and validation of a prognostic scoring system for patients with colorectal cancer hepato-pulmonary metastasis: a retrospective studyUnivariate and multivariate analysis in three cohorts. Univariate and multivariate cox regression models are used in OS training, internal validation, and external validation cohorts (A). Univariate and multivariate cox regression models are used in CSS training, internal validation, and external validation cohorts (B)Back to article page