Which of the following, regarding the great saphenous vein, is INCORRECT?

• A. it is the longest vein in the body
• B. it passes behind the medial malleolus
• C. at the knee, it lies a hand s breadth behind the medial border of the patella
• D. the saphenous opening lies about 3cm below and lateral to the pubic tubercle
• E. the deep external pudendal artery runs medially behind the saphenous vein near its termination