Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest are compared to previous exam from ___ . The lungs are clear of confluent consolidation or effusion . Cardiomediastinal silhouette is stable . Atherosclerotic calcification is again noted in the aorta . Mild prominence of the hila bilaterally is unchanged , suggestive of pulmonary artery enlargement .
    OUTPUT:
    
No definite signs of congestive failure . Prominence of the hila as on prior which may reflect pulmonary artery enlargement . A CT scan on non-emergent basis can be performed if further delineation is desired .