乳房惡性腫瘤(carcinoma of the breast)易由下列何靜脈引流轉移到椎骨(vertebrae)?
上腹壁下靜脈(inferior epigastric vein)
頭臂靜脈(brachiocephalic vein)
外側胸靜脈(lateral thoracic vein)
後肋間靜脈(posterior intercostal vein)