Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are normal . There is increased opacity in the right lower lung corresponding to a opacity overlying the lower thoracic spine on lateral views . The cardiomediastinal and hilar contours are stable . A small right pleural effusion is possible however obscured by consolidation . No pneumomediastinum .
    OUTPUT:
    
Right lower lobe opacity likely represents an infectious pneumonia or aspiration pneumonia in the appropriate clinical setting . No pneumomediastinum .