Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate cardiomegaly is re- demonstrated . The patient is status post median sternotomy , CABG , and mitral valve replacement . Pulmonary vasculature is normal . Lungs are clear . No pleural effusion , focal consolidation or pneumothorax is seen . Diffuse demineralization of the osseous structures is again noted , with slight loss of height of a low thoracic vertebral body , unchanged .
    OUTPUT:
    
No acute cardiopulmonary abnormality .