Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . The opacity within the left mid lung field compatible with known chest wall mass as seen on prior CT is again seen . Emphysematous changes and right upper lobe scarring are again seen and unchanged . Small right pleural effusion is new . No pneumothorax . The cardiomediastinal and hilar contours are stable .
    OUTPUT:
    
New small right pleural effusion . Redemonstration of left chest wall mass and severe emphysema .