Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are slightly low but grossly clear without focal airspace opacity . The heart is somewhat globular in shape and may reflect pericardial effusion . Left chest wall pacemaker again has leads terminating in stable position . There is small left pleural effusion but no pneumothorax . There is no pulmonary edema .
    OUTPUT:
    
1 . Globular appearance of the heart may be projectional , although pericardial effusion should be considered . 2 . Small left pleural effusion . These results were telephoned to ___ by ___ at 6 :05 p .m . , ___ , 5 minutes after discovery . Dr . ___ reported that bedside ultrasound revealed no pericardial effusion .