Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Apparent increase in cardiac size and widening of the mediastinum is due to differences in technique . The hilar contours are stable . There is no pleural effusion or pneumothorax . Kerley B lines are noted , consistent with mild interstitial pulmonary edema . There is no focal consolidation concerning for pneumonia .
    OUTPUT:
    
Mild pulmonary edema . No other acute abnormality .