Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low . The lungs are clear without consolidation or edema . No pleural effusion or pneumothorax is identified . Allowing for patient rotation , the cardiomediastinal silhouette appears unchanged , with stable moderate cardiomegaly . Compression deformities in the thoracic and lumbar spine are also unchanged .
    OUTPUT:
    
No acute cardiopulmonary process .