Grade* | Description of injury |
I | Intercostal artery/vein |
Internal mammary artery/vein | |
Bronchial artery/vein | |
Esophageal artery/vein | |
Hemizygous vein | |
Unnamed artery/vein | |
II | Azygos vein |
Internal jugular vein | |
Subclavian vein | |
Innominate vein | |
III | Carotid artery |
Innominate artery | |
Subclavian artery | |
IV | Thoracic aorta, descending |
Inferior vena cava (intrathoracic) | |
Pulmonary artery, primary intraparenchymal branch | |
Pulmonary vein, primary intraparenchymal branch | |
V | Thoracic aorta, ascending and arch |
Superior vena cava | |
Pulmonary artery, main trunk | |
Pulmonary vein, main trunk | |
VI | Uncontained total transection of thoracic aorta or pulmonary |
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