Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiograph demonstrate clear lungs bilaterally . Cardiomediastinal contours are within normal limits . Pulmonary vasculature is unremarkable . There is no pneumothorax or pleural effusion . No evidence of pulmonary edema . There is no air under the right hemidiaphragm .
    OUTPUT:
    
No acute intrathoracic abnormality .