Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right PICC has been removed . Mild enlargement of the cardiac silhouette persists . Mediastinal and hilar contours are within normal limits . Pulmonary vasculature is not engorged . Right lower lobe opacity persists but is decreased in extent since the prior study . Minimal atelectasis is demonstrated in the left lower lobe . There is likely a small right pleural effusion , either similar in size or decreased from the previous study . No pneumothorax is present .
    OUTPUT:
    
Persistent but improving right lower lobe opacity with similar or slightly decreased small right pleural effusion . Minimal left lower lobe atelectasis .