Chief Physician, expert in the International Department, associate professor, masters supervisor, and other high-level talents in Hainan Province. Graduated from Harbin Medical University and later stayed for masters degree studies at the same university, pursuing a doctoral degree at China Medical University. Successively served as resident physician, attending physician, and Deputy Chief Physician at the Affiliated Tumor Hospital of Harbin Medical University. With over ten years of experience in thoracic surgery, clinical research, and teaching, he focuses on personalized treatment of thoracic tumors such as lung cancer and esophageal cancer. He has accumulated considerable experience in minimally invasive thoracic surgery, particularly in the prevention, diagnosis, and treatment of thoracic surgical complications. He strives to adopt the most advanced and scientific treatment methods in the field and provides diagnostic and therapeutic services to patients. Since the establishment of the department, he has successfully completed challenging surgeries such as thoracoscopic three-incision esophagectomy combined with three-field lymph node dissection, single-port thoracoscopic lobectomy and segmentectomy, thoracoscopic sleeve resection of the lung, and total thymectomy under thoracoscope. Director Wu Jun has in-depth research in minimally invasive thoracic surgery techniques. Currently, the department has developed minimally invasive thoracic surgery techniques including thoracoscopic lobectomy, segmentectomy, esophagectomy, resection of esophageal leiomyoma, thoracic duct ligation, diaphragmatic hernia repair, paraspinal abscess incision and drainage, lung volume reduction surgery, pulmonary bulla resection, sympathectomy, thymoma resection, lung biopsy, pleural biopsy, mediastinal biopsy, Heller myotomy, mediastinal cyst resection, pulmonary wedge resection, neurogenic tumor resection, pleurodesis, pericardial fenestration, and lymph node biopsy.