Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild enlargement of the cardiac silhouette . The aorta is tortuous . The mediastinal and hilar contours are otherwise unremarkable , and no pulmonary vascular congestion is present . Minimal linear opacities within the left lung base likely reflect subsegmental atelectasis . No focal consolidation , pleural effusion or pneumothorax is visualized . Diffuse demineralization of the osseous structures is present with multilevel degenerative changes noted . There is mild dextroscoliosis of the thoracic spine . Additionally , mild compression deformity of a vertebral body at the thoracolumbar junction is noted , age indeterminate .
    OUTPUT:
    
Left basilar atelectasis . Compression deformity at the thoracolumbar junction .