�T�?Pulmonary nodule, Ribcage vertebrae, Mediastinum thymus gland, Lymph nodes, Trachea, Esophagus, Aorta, Hilar lymph nodes, Bronchi, Segmental bronchial branches, Lung parenchyma, Pleuritic effusion, Subpleural emphysema, Hematoma, Fractured rib, Nodule on left pleura, Right lung tumor, Vascular structures (possible pulmonary vein or artery), Fibrous tissue, Calcifications (possibly bone or soft-tissue deposits), Left atrium, Mitral valve, Right ventricle, Tricuspid valve, Aortic valve