Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right lower lung mild - to - moderate pleural effusion has slightly improved with pigtail projecting in mid hemithorax . There is no pneumothorax . Left lower lobe consolidation has significantly improved . There is no new consolidation . Mediastinal and cardiac contours are normal .
    OUTPUT:
    
1 . Right small - to - moderate pleural effusion has slightly improved . 2 . Left lower lobe consolidation has significantly improved .