Higher surgeon volume leads to better outcomes in breast-conserving surgery, laparoscopic cholecystectomy, and colon cancer surgery.

• Higher-volume surgeons saw a significant reduction in reinterventions, complications, and mortality rates across all three procedures.
• Outcomes were even better for surgeons working in high-volume hospitals.

A focus on both surgeon and hospital volume is essential for optimizing patient care in surgical practice.

• Further research is needed to understand these associations and enhance surgical care delivery.