Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs were obtained . There are multiple areas of opacification in the right lung base . The right pleural effusion has improved though a small amount of pleural fluid persists . The cardiomediastinal silhouette and hilar contours are stable . There is no pneumothorax .
    OUTPUT:
    
1 . Multiple areas of focal opacity at the right lung base , likely secondary to loculated pleural fluid and pleural thickening . 2 . Interval improvement in right pleural effusion .