1 Division of Thoracic Surgery, Department of Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan.
2 Department of Pathology, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan.
3 Division of Thoracic Surgery, Department of Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan. Electronic address: addgujfjui@gmail.com.