Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs demonstrate clear lungs bilaterally . There is no focal consolidation . Cardiomediastinal and hilar contours are within normal limits . There is no pleural effusion or pneumothorax identified . No evidence of pneumomediastinum or pneumoperitoneum . Visualized osseous structures demonstrate no acute focal abnormality .
    OUTPUT:
    
No acute intrathoracic abnormality . No evidence of pneumoperitoneum or pneumomediastinum .