Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided pacemaker with atrioventricular leads is in adequate position . There is no pneumothorax or pleural effusion . Moderate cardiomegaly is unchanged . Abdominal aorta is possibly dilated up to 3 .5 cm and could be further assessed with dedicated study .
    OUTPUT:
    
1 . New atrioventricular pacemaker is in adequate position without complication . 2 . Possible abdominal aorta dilatation could be further assessed by a dedicated study .