Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP portable view of the chest was obtained . Subtle nodule opacities in the right lower lung and possibly left upper lung . There is no pleural effusion or pneumothorax . Cardiomediastinal silhouette is moderately enlarged . There are no bony abnormalities . There is no free air below the right hemidiaphragm . Sternal EKG leads are seen .
    OUTPUT:
    
Subtle nodular opacities in the right lower lung and possibly left upper lung could be early pneumonia . Follow - up to resolution is recommended . Moderate cardiomegaly .