Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear of consolidation . There is no effusion or pneumothorax . The cardiac silhouette is enlarged , unchanged . Aortic valve replacement is noted . Atherosclerotic calcifications noted at the aortic arch . Rightward deviation of the trachea at the thoracic inlet is compatible with a left thyroid enlargement . There is no free air below the diaphragm . Compression deformity in the upper lumbar spine the similar compared to prior .
    OUTPUT:
    
No acute cardiopulmonary process .