Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiograph demonstrates clear lungs bilaterally . Cardiomediastinal and hilar contours are within normal limits . There is no pulmonary edema , pleural effusion , or pneumothorax . Imaged upper abdomen is unremarkable . No air under the right hemidiaphragm is present to suggest pneumoperitoneum . Osseous structures are without acute abnormality .
    OUTPUT:
    
No acute intrathoracic abnormality . No air is identified under the right hemidiaphragm .