Book excerpt: This issue of Thoracic Surgery Clinics, guest edited by Dr. Felix Fernandez, is devoted to Quality in Thoracic Surgery. Dr. Fernandez has assembled expert authors to review the following topics: Risk adjustment and performance measurement for lung cancer resection; Risk adjustment and performance measurement for esophageal cancer resection; Oncologic quality indicators in thoracic surgery; National Quality Forum metrics for thoracic surgery; Volume outcome relationships in thoracic surgery; Failure to rescue in thoracic surgery; Quality and cost in thoracic surgery; Patient reported outcomes in thoracic surgery; Database audit in thoracic surgery; European Society of Thoracic Surgeons risk score; International database collaboration in thoracic surgery; Hospital readmissions following thoracic surgery; and more!