Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Increased interstitial markings seen throughout the lungs bilaterally . There is no effusion . Cardiac silhouette is enlarged but similar compared to prior . No acute osseous abnormalities .
    OUTPUT:
    
Diffuse bilateral interstitial opacities potentially due to pulmonary edema or atypical infection , to be correlated clinically .