Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . The overall appearance of the chest is not significantly changed with peripheral reticular opacities likely reflecting known bronchiolitis as seen on prior CT chest . No new consolidation is seen . No large effusion or pneumothorax . Cardiomediastinal silhouette appears stable . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Persistent peripheral reticular opacities likely reflect known bronchiolitis . No superimposed pneumonia .