Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are clear . Opacity at the left cardiophrenic angle is compatible with a fat pad . Cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities . Anterior and posterior cervical fixation hardware is noted . IVC filter is partially visualized in the abdomen .
    OUTPUT:
    
No acute cardiopulmonary process .