This issue of Thoracic Surgery Clinics of North America, guest edited by Dr. Michael Lanuti, is devoted to Current Controversies in Thoracic Surgery. Dr. Lanuti has assembled expert authors to review the following topics: Management of Stage IIIA Non-Small Cell Lung Cancer; Management of Oligometastatic Non-Small Cell Lung Cancer; Current Treatment of Mesothelioma (Extrapleural Pneumonectomy or Pleurectomy); Stents as Primary Therapy for Esophageal Perforation; Lymph Node Dissection and Pulmonary Metastectomy; Mediastinal Staging: Endobronchial Ultrasound or Mediastinoscopy; Induction Therapy for Esophageal Cancer; Appropriate Surgical Treatment of Stage I Non-Small Cell Lung Cancer; Stereotactic Body Radiotherapy for Stage I Non-Small Cell Lung Cancer; Benefit of Plication for Paralyzed Diaphragm; Video-assisted Thoracoscopic Surgery (VATS) Sympathectomy for Hyperhidrosis; Induction Therapy for Thymoma, and more!