Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views chest performed . The lungs are clear . There is no pleural effusion , pneumothorax or focal airspace consolidation . The cardiac silhouette is mildly enlarged . There is a tortuous aorta . The hilar structures are unremarkable . There are no acute osseous abnormalities . The imaged upper abdomen is normal .
    OUTPUT:
    
No acute cardiopulmonary process .