Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . Increased perihilar opacities are noted , which could represent an atypical pneumonia versus early pulmonary edema . Please correlate clinically . No effusion or pneumothorax is seen . The heart size appears normal . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Increased perihilar opacities , which could represent an atypical pneumonia versus early edema . Please correlate clinically .