Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Ill - defined ground - glass opacity projects over bilateral upper lungs at the apices , as on prior . Remainder of the lungs appear clear , though hyperinflated . Left nipple shadow is noted . No pleural fusion , no pneumothorax , no edema . Cardiomediastinal silhouette is normal . Imaged osseous structures are intact . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
Biapical opacities persist and remain concerning for PCP or other atypical lung infection . However , if patient has been treated and opacities are not resolving , consider CT to further assess