Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . The cardiomediastinal silhouette and hilar contours are normal . There is mild biapical pleural parenchymal scarring noted . No pneumothorax , pulmonary edema , or pleural effusion . No focal consolidations are noted .
    OUTPUT:
    
No acute intrathoracic process .