Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Midline sternotomy wire noted . The heart is mildly enlarged . The hila appear engorged . No overt edema . No signs of pneumonia . No pleural effusion or pneumothorax . The mediastinal contour appears grossly within normal limits . Bony structures are intact . No free air below the right hemidiaphragm
    OUTPUT:
    
Mild cardiomegaly and hilar engorgement without frank edema .