Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are somewhat low , with minimal atelectasis in the lung bases . There is no pleural effusion , pulmonary edema , or focal opacification concerning for pneumonia . There is a somewhat tortuous thoracic aorta . The cardiomediastinal silhouette is stable since the prior examination , with no evidence of cardiac enlargement . Mild multilevel anterior wedge in the thoracic spine are unchanged . No acute osseous abnormalities are detected .
    OUTPUT:
    
No acute cardiopulmonary process .