Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Ill - defined right lower lung opacity is less conspicuous than on the prior exam and likely reflects atelectasis or small consolidation . Left lower lobe opacity has increased and is also consistent with either consolidation or aspiration . Heart size is top normal . Mediastinal contours are stable .
    OUTPUT:
    
1 . No radiopaque foreign body . 2 . Ill - defined right lower lung opacity , less conspicuous than on the prior exam , with similar findings in the left lower lobe , consistent with small consolidation or aspiration .