Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bilateral interstitial markings may reflect interstitial edema or interstitial lung disease . There are small bilateral pleural effusions . There are no focal consolidations , and the heart size is normal .
    OUTPUT:
    
Bilateral interstitial markings may be due to interstitial edema or interstitial lung disease . Small bilateral pleural effusions .