Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are hyperinflated . Heterogeneous airspace opacities are predominantly present in the right lower and to a lesser extent in the right upper and middle lobes . There are subtle opacities in the left lower lobe as well . Heart is normal size and cardiomediastinal silhouette is stable . There is no pulmonary edema . No pleural effusion or pneumothorax .
    OUTPUT:
    
Heterogeneous airspace opacification in the right upper , middle , and lower lobes and subtle opacification of the left lower lobe , is consistent with multifocal aspiration or infectious pneumonia .