Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Cardiomediastinal prominent , however likely due to a large epicardial fat pad seen on the reference CT and low lung volumes as there is no cardiomegaly . No pleural effusions , focal consolidation , or pneumothorax . No free subdiaphragmatic air is identified .
    OUTPUT:
    
No acute cardiopulmonary process .