Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . The heart is mildly enlarged . The aorta appears unfolded . There is mild central hilar prominence / engorgement , which could reflect mild increased central pulmonary arterial pressures . The lungs appear clear without focal consolidation , effusion , pneumothorax , or signs of pulmonary edema . Bony structures appear intact .
    OUTPUT:
    
Possible mild central hilar engorgement could reflect increased pulmonary arterial pressures . Otherwise , unremarkable exam .