Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left perihilar airspace opacity is worrisome for pneumonia . There is a small to moderate left pleural effusion with overlying atelectasis . A trace right pleural effusion is also present . Minimal interstitial edema is noted . The cardiac and mediastinal silhouettes are grossly stable . No pneumothorax is seen .
    OUTPUT:
    
Small to moderate left and trace to small right bilateral pleural effusions with overlying atelectasis . Left perihilar airspace opacity worrisome for pneumonia . Recommend followup to resolution . Possible minimal interstitial edema .