Arizona Cardiothoracic Surgery expert witnesses are board-certified surgeons from leading centers like Banner – University Medical Center Phoenix, Mayo Clinic Arizona, and VA hospitals. They specialize in coronary bypass, valve repair, aortic surgery, thoracic oncology, and transplant in Arizona’s high-volume cardiac and retiree-focused care settings. They assess standards of care, perioperative management, complications, and long-term cardiothoracic outcomes.