Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest demonstrate the lungs are well expanded and clear . No pleural effusion , pneumothorax , pulmonary edema , or focal airspace opacities identified . The cardiomediastinal silhouette is unremarkable . Marked dextroscoliotic curvature of the thoracic spine is similar in comparison to the prior study , with partially imaged spinal rods in unchanged position .
    OUTPUT:
    
No acute cardiopulmonary process .