John B. Chang

John B. Chang is a professional surgeon and researcher known for his work in thoracic surgery, particularly lung and esophageal surgeries. He specializes in minimally invasive techniques, which aim to reduce recovery time and improve patient outcomes. With extensive experience in clinical practice and research, Chang contributes to advancements in surgical methods and patient care. His work often involves developing new procedures, training medical professionals, and publishing findings to improve treatments for complex thoracic conditions.