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 lungs are clear bilaterally . No signs of pneumonia or CHF . The mediastinal contour is normal . Bony structures are intact . Partially visualized stent graft noted in the mid upper abdomen .
    OUTPUT:
    
Mild cardiomegaly . No evidence of pneumonia or CHF .