Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No focal consolidation is seen . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are grossly stable given differences in inspiration . Slight increase in interstitial markings diffusely bilaterally may be due to minimal interstitial edema
    OUTPUT:
    
Possible minimal interstitial edema .