Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No focal opacities are seen within the lungs . Cardiomediastinal and hilar contours are unremarkable . There is no pleural effusion or pneumothorax . Although the study is not tailored for assessment of bony structures , no rib fracture is identified .
    OUTPUT:
    
No acute cardiopulmonary process .