In Patients with an Obstruction of the Superior Vena Cava

In patients with an obstruction of the superior vena cava, blood may return to the right atrium through the following anastomotic channels except which?

A) The lateral thoracic, lumbar, and superficial epigastric veins
B) The superior and inferior epigastric veins
C) The lateral thoracic, paraumbilical, and portal veins
D) The posterior intercostal and lumbar veins
E) The lateral thoracic veins alone