Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There relatively low lung volumes . Slight prominence of the interstitial markings suggest minimal interstitial edema . No focal consolidation is seen . There is no pleural effusion or pneumothorax . The aorta is slightly tortuous . The cardiac silhouette is top - normal in size .
    OUTPUT:
    
Minimal interstitial edema . No focal consolidation .