Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Tortuous , ectatic thoracic aorta is more prominent , possibly accentuated by a difference in obliquity of x-ray . Borderline heart size stable . Normal pulmonary vascularity . No edema . Mild right basilar opacity , likely atelectasis . No pneumothorax . No effusion .
    OUTPUT:
    
Tortuous , ectatic thoracic aorta is more prominent , possibly accentuated by a difference in obliquity of x-ray . Consider aortic dissection if clinically appropriate . Mild right basilar opacity , likely atelectasis .