Surgery All are true about SVC (superior vena cava syndrome) except: A Malignant lymphoma is the leading cause of SVC syndrome in elderly pts B Widening of superior mediastinum is seen on chest radiograph C Present with dilated neck veins & increased number of collateral veins covering the anterior chest wall. D None of the above 💡 Explanation All are true about SVC (superior vena cava syndrome) except: ✓ Correct Answer: A. Malignant lymphoma is the leading cause of SVC syndrome in elderly pts