Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA upright and lateral chest radiographs demonstrate well - expanded and symmetric lungs . No focal opacity is seen . Cardiomediastinal and hilar contours are within normal limits . There is no pulmonary edema or pleural effusion . There is no pneumothorax . Visualized osseous structures are without acute abnormality . Prior right clavicular healed fracture is identified .
    OUTPUT:
    
No acute intrathoracic abnormality . If symptoms persist , dedicated CT to further evaluate airways is recommended .