Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upright chest radiograph obtained . Since the prior exam , there are increased bilateral lower lung opacities which may represent a combination of effusion and consolidation . The possibility of aspiration is difficult to exclude . No pneumothorax . Cardiomediastinal silhouette is stable . Bony structures are intact . There is a dextroscoliosis of the spine , apex at the thoracolumbar junction .
    OUTPUT:
    
Increasing lower lung opacities , left greater than right , likely representing a combination of effusion and consolidation .