In Reply While volume-outcome associations in surgical cancer care have been extensively studied for surgeon and institutions, other components of perioperative care have rarely been examined through the volume-outcome lens. In a population-based cohort study,1 we observed that patients undergoing complex gastrointestinal cancer surgery (esophagectomy, hepatectomy, or pancreatectomy) cared for by high-volume anesthesiologists had 15% lower odds of combined 90-day major morbidity, mortality, or readmission.