Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation , pleural effusion , pneumothorax , or pulmonary edema . The heart size is normal . The aorta is noted to be somewhat tortuous . Mediastinal and hilar contours are otherwise normal .
    OUTPUT:
    
No radiographic evidence for acute cardiopulmonary process .