Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild interstitial edema . Mild cardiomegaly is unchanged . Mediastinal and hilar contours are stable . No focal consolidation , pleural effusion , or pneumothorax is present . Cervical fusion hardware is noted .
    OUTPUT:
    
Mild interstitial edema and mild cardiomegaly . No focal consolidation .