Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest are obtained . There is mild - to - moderate interstitial edema . No focal consolidation , pleural effusion , or evidence of pneumothorax is seen . The cardiac silhouette is mildly enlarged . The aorta is calcified and tortuous .
    OUTPUT:
    
Interstitial edema . Mild cardiomegaly .