Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . There is mild pulmonary interstitial edema . No large effusion or pneumothorax is seen . The cardiomediastinal silhouette is stable . A rounded density at the level of the right pulmonary hilum is unchanged and likely represents a prominent right pulmonary artery . Findings are also stable from chest x-ray dated ___ . The aorta is somewhat unfolded . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Mild pulmonary interstitial edema .