Minimally invasive liver resection for primary and metastatic liver tumors: influence of age on perioperative complications and mortality

Background As minimally invasive technique becomes more popular, an increasing number of elderly patients were considered for minimally invasive liver resection (MILR). Limited physiologic reserve remains a major concern, which frequently leads surgeons to recommend nonresectional alternatives. We sought to evaluate complications and outcomes of elderly patients undergoing MILR. Methods Eight hundred and thirty-one patients who underwent MILR were classified into groups A, B, and C based on age [(