Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Dual - lead left - sided pacemaker is again seen with leads unchanged in position , extending to the expected location to the right atrium and right ventricle . Slight blunting of the right costophrenic angle , which may be due to a trace pleural effusion . No focal consolidation or pneumothorax is seen . The cardiac silhouette remains top normal . The aorta is calcified .
    OUTPUT:
    
Slight blunting of the right costophrenic angle may be due to a trace pleural effusion .