Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mildly enlarged , increased since ___ . Additionally , there is prominence of the pulmonary interstitium , consistent with mild pulmonary edema . Bilateral pleural effusions are trace . Lungs are mildly hyperinflated . No focal airspace consolidation or pneumothorax . Mediastinal and hilar structures are unchanged . Calcifications are seen within left carotid bifurcation and coronary arteries .
    OUTPUT:
    
Mild pulmonary edema .