Cephalization of pulmonary blood vessels is seen in all except: (A) Aortic stenosis, (B) Mitral stenosis, (C) Severe mitral regurgitation, (D) Severe aortic  regurgitation
Answer is D. Cephalization of pulmonary vessels  seen on radiography is the earliest sign of pulmonary venous hypertension.  Usually occurs in left sided obstructive lesions,  L.V failure.