A simple scoring system to estimate perioperative mortality following liver resection for primary liver malignancy—the Hepatectomy Risk Score (HeRS)

Dimitrios Moris, Brian I. Shaw, Cecilia Ong, Ashton Connor, Mariya L. Samoylova, Samuel J. Kesseli, Nader Abraham, Jared Gloria, Robin Schmitz, Zachary W. Fitch, Bryan M. Clary, Andrew S. Barbas