Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA frontal and lateral chest radiographs demonstrate clear lungs bilaterally . The cardiomediastinal and hilar contours are within normal limits . No evidence of pulmonary edema . There is no pleural effusion or pneumothorax . The visualized osseous structures demonstrate no acute abnormality .
    OUTPUT:
    
No acute intrathoracic process .