Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The patient is status post median sternotomy and CABG . The cardiac silhouette is mildly enlarged . The aorta is calcified and tortuous . There may be very minimal central pulmonary vascular engorgement without overt pulmonary edema . No pleural effusion or pneumothorax is seen .
    OUTPUT:
    
Possible minimal central pulmonary vascular engorgement without overt pulmonary edema . Mild cardiomegaly .