Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . A left - sided pacemaker projects leads into the right atrium and ventricle . There is no pneumothorax or focal consolidation . Left volume loss and blunting of the left costophrenic angle is unchanged , possibly from a chronic tiny effusion versus pleural thickening or scarring . There is no new effusion or consolidation . The right lung is clear .
    OUTPUT:
    
1 . Unchanged blunting of the left costophrenic and left volume loss since ___ . Findings could represent pleural thickening and scarring versus persistent small effusion . 2 . No right consolidation .