Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is had median sternotomy and CABG with a normal postoperative cardiomediastinal silhouette and normal heart size . The hila and pleura are unremarkable . No focal consolidations , pleural effusions , pulmonary edema , or pneumothorax are seen .
    OUTPUT:
    
No evidence to suggest aspiration or pneumonia .