Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are relatively low lung volumes . Slight increase in interstitial markings bilaterally could be due to minimal interstitial edema . No lobar consolidation is seen . There is no pleural effusion or pneumothorax . Cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Slight increase in interstitial markings which could be due to minimal interstitial edema vs less likely atyical infection .