Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heterogeneous opacities overlying the left mid lung field and silhouetting the left heart border are increased since ___ . The patient is status post left lower lobectomy for volume reduction with stable mild leftward shift of the mediastinum . Blunting of the left costophrenic angle is compatible with a small pleural effusion . The right lung is grossly clear . No pneumothorax . The heart size appears normal . No radiopaque foreign body .
    OUTPUT:
    
Increased lingular and left lower lung opacities , compatible with worsened infection since ___ . Small left pleural effusion .