Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable radiograph of the chest demonstrates low lung volumes with bibasilar atelectasis . There is no pleural effusion , overt pulmonary edema or pneumothorax . No focal consolidation is seen . The cardiomediastinal silhouette is normal . No displaced fracture is identified .
    OUTPUT:
    
No acute cardiopulmonary process .