Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post median sternotomy and CABG . Heart size is mildly enlarged . Prominence of the hila bilaterally is unchanged and is concerning for pulmonary arterial hypertension . There is mild pulmonary vascular congestion without overt pulmonary edema . Lungs are hyperinflated with mild emphysematous changes again noted . No focal consolidation , pleural effusion or pneumothorax is detected . Vascular calcifications are noted projecting over both lung apices .
    OUTPUT:
    
Mild cardiomegaly with mild pulmonary vascular congestion .