Radiology Earliest radiological sign of pulmonary venous hypertension in chest X-ray is – A Cephalization of pulmonary vascularity B Pleural effusion C Kerley B lines D Alveolar pulmonary edema 💡 Explanation Earliest radiological sign of pulmonary venous hypertension in chest X-ray is – ✓ Correct Answer: A. Cephalization of pulmonary vascularity