Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided dual lead pacemaker is unchanged in position . The heart is normal in size . Small bilateral pleural effusions are not significantly changed . Right basilar opacity appears increased from prior exam . The cardio mediastinal and hilar contours are unchanged .
    OUTPUT:
    
Right basal opacity appears increased from prior exam . Small bilateral pleural effusions are stable .