Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: When compared to prior , slightly improved aeration is noted particularly on the lateral view . The lungs are clear without edema or confluent consolidation . There is blunting of the posterior right costophrenic angle suggesting small effusion new since prior . Triple lead left wall pacing device is seen with leads in similar position . Moderate cardiomegaly is again seen . No acute osseous abnormalities .
    OUTPUT:
    
Small right pleural effusion and cardiomegaly . No pulmonary edema .