Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are well expanded . There is mild hilar fullness suggestive of mild pulmonary vascular congestion . No edema is seen . There is no pleural effusion or pneumothorax . Cardiac silhouette appears mildly enlarged . The aorta is tortuous .
    OUTPUT:
    
No acute cardiopulmonary process .