Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate normal lung volumes . The patient is status post median sternotomy and CABG . There is no focal consolidation , pleural effusion , or pneumothorax . The hilar and mediastinal silhouettes are unchanged . There is no pulmonary edema . Descending aorta appears tortuous . Aortic valve calcifications are unchanged . Eventration of the right hemidiaphragm persists . Heart size is top normal . Partially imaged upper abdomen is unremarkable .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .