In case of IVC obstruction the collateral which opens up are all except:: (A) Superior epigastric & inferior epigastric vein, (B) Azygos & ascending lumbar vein, (C) Superficial epigastric & ileolumbar vein, (D) Lateral thoracic veins & preveebral vein
Answer is C. C i.e., Superficial epigastric & iliolumbar vein