Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mildly increased interstitial markings bilaterally suggest minimal interstitial edema . Streaky left base opacity may be due to atelectasis however , underlying infection is not excluded in the appropriate clinical setting . No pleural effusion or pneumothorax is seen . Cardiac and mediastinal silhouettes are grossly stable .
    OUTPUT:
    
Minimal interstitial edema . Streaky left base opacity may be due to atelectasis , however , underlying infection is not excluded in the appropriate clinical setting .