Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The mediastinal contours are remarkable for an unchanged right cardiophrenic angle opacity likely representing a pericardial fat pad as demonstrated on MR of ___ . The pulmonary vasculature is normal . Lungs are hyperexpanded and grossly clear . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary abnormality .