Assessing tools for management of noncolorectal nonneuroendocrine liver metastases: External validation of a prognostic model

Introduction Selection criteria and benefits for resection of noncolorectal, nonneuroendocrine liver metastases (NCNNELM) remain debated. A prognostic score was developed by the Association Française de Chirurgie (AFC) for patient selection, but not validated. We performed a geographic external validation of this score. Methods Patients with resected NCNNELM from six institutions (2000–2014) were assigned risk groups based on the AFC score....