Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mildly prominent lung markings particularly at both lung bases is likely due to vascular crowding in the setting of suboptimal inspiratory effort . There is no new consolidation to suggest pneumonia . The cardiomediastinal silhouette is stable . Aortic arch calcifications are incidentally noted .
    OUTPUT:
    
No acute pulmonary disease .