Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post coronary artery bypass and mitral valve replacement . Heart size is top - normal and stable . The lungs are clear and there is no evidence of pneumonia or pulmonary edema . Moderate hiatal hernia is noted . No pleural effusion or pneumothorax . Osseous structures are intact . There are multiple continuous running anterior osteophytes .
    OUTPUT:
    
No acute cardiopulmonary process .