Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate top normal heart size and mild tortuosity to the descending aorta . The lungs are clear . Minimal perihilar vascular congestion without frank edema is similar as compared to 10 days prior . There is no pneumothorax or large effusion . No confluent consolidation is apparent to suggest infection . Lower thoracic spondylosis is present . Note is made of radiodensities in the expected location of the aortic valve , similar to ___ , raising question of aortic valvular calcifications , which would be difficult to differentiate from pulmonary nodules on radiograph .
    OUTPUT:
    
1 . Stable minimal perihilar vascular congestion . No confluent consolidation to suggest pneumonia . 2 . Question aortic valvular calcifications , difficult to differentiate from lung nodules , would be better assessed on CT .