Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided dual chamber pacemaker remains in unchanged position with wires terminating in the right atrium and right ventricle , expected location and unchanged since ___ . Cardiomegaly is unchanged . Prominence of the right hilar region is likely secondary to patient 's positioning . Blunting of the right costophrenic angle could relate to a small amount of pleural effusion . There is no focal consolidation or pneumothorax .
    OUTPUT:
    
1 . Unchanged position of left - sided dual - chamber pacemaker with the leads terminating in the expected location of the right atrium and right ventricle . 2 . Mild blunting of the right costophrenic angle could relate to small right - sided pleural effusion . 3 . Prominence of right hilum , is secondary to patient positioning .