Affiliation: | 1. Department of Cardiology, Tianjin Medical University, Tianjin Chest Hospital, Tianjin, China;2. Department of Diagnostic Ultrasound, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center of Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin, China;3. Department of Thoracic Surgery, Tianjin Chest Hospital, Tianjin, China |