Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right IJ catheter has been retracted to the upper SVC . An endotracheal tube terminates 4 .8 cm above the carina . Orogastric tube terminates within the stomach . The heart size is normal . The hilar and mediastinal contours are unchanged since the ___ examination . There is no pneumothorax . A persistent left retrocardiac opacity reflects atelectasis versus focal consolidation . A small left pleural effusion is unchanged .
    OUTPUT:
    
1 . Unchanged left retrocardiac opacity and small left pleural effusion , reflecting possible consolidation . 2 . No new pulmonary opacity .