Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post median sternotomy and CABG . Aortic valvular calcifications are re - demonstrated . Heart size is mildly enlarged . The thoracic aorta is diffusely calcified . Mild pulmonary edema is worse compared to the previous study . There may be a trace left pleural effusion . No focal consolidation or pneumothorax is identified . There are no acute osseous abnormalities .
    OUTPUT:
    
Mild pulmonary edema with probable trace left pleural effusion .