Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A frontal upright view of the chest was obtained portably . An opacity in the left lower lobe with central air is compatible with the lung abscess and surrounding consolidation noted on the prior CT . The air - fluid level is not seen on this study . The appearance is unchanged from ___ . No other opacity is seen . A left pleural effusion is comparable to the prior CT and larger than the prior radiograph . There is no pneumothorax . Heart size is normal . Mediastinal silhouette is normal .
    OUTPUT:
    
Left lower lobe abscess and consolidation are similar to ___ with small left pleural effusion . No pneumothorax .