Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left pectoral pacemaker with 2 leads terminating in the right atrium and right ventricle is unchanged . A right pleural pigtail catheter is unchanged in position between the right lateral ___ and 7th ribs . There is improved aeration of the right lung base and improved inspiratory effort compared to the most recent prior study . No residual right pleural fluid is noted . There is persistent blunting of the left costophrenic angle compatible with small left pleural effusion . No definitive evidence of pneumothorax is seen . The pulmonary vasculature is not engorged and there is no overt pulmonary edema . The cardio mediastinal silhouette is incompletely evaluate . The mediastinal and hilar contours are within normal limits with unchanged rightward deviation and kinking of the trachea in the upper mediastinum .
    OUTPUT:
    
1 . Improved aeration of the right lung base with no residual right pleural effusion . 2 . Persistent small left pleural effusion . 3 . No definitive evidence of pneumothorax .