Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal silhouette is normal . There is no pleural effusion or pneumothorax . There is no overt pulmonary edema . There is no focal consolidation . There is S - shaped scoliosis of the thoracic spine .
    OUTPUT:
    
No evidence of pulmonary edema . No radiographic explanation for chest pain .