Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right costophrenic sulcus is incompletely imaged . The lungs are normally expanded and clear . There is no focal airspace opacity . The cardiomediastinal silhouette and hilar contours are normal . The aortic arch is calcified . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No evidence of acute cardiopulmonary abnormality .