Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Cardiomegaly is mild and unchanged . Tracheobronchial tree calcifications are noted . There are scattered airspace opacities left greater than right which is most concerning for atypical pneumonia . No large effusion is seen . No pneumothorax . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Bilateral opacities most concerning for atypical pneumonia .