Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lower lung volumes are noted . Blunting of the left lateral costophrenic angle is likely due to combination of rotation with prominent mediastinal fat as seen on CT scan . Superiorly , the lungs are clear . There is no pneumothorax . The cardiomediastinal silhouette is within normal limits . No displaced fractures identified .
    OUTPUT:
    
No acute cardiopulmonary process .