Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiograph demonstrate clear lungs bilaterally . Cardiomediastinal and hilar contours are within normal limits . There is no pleural effusion , pneumothorax , or evidence of pulmonary edema . Imaged upper abdomen is without an acute abnormality . Radiopaque densities seen on same day abdomen out of the field - of - view . No acute osseous abnormality is identified .
    OUTPUT:
    
No acute intrathoracic abnormality .