system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Which vein drain directly into IVC -
assistant
The correct answer is  Veins draining into inferior vena cava
-        Common iliac veins
-        Renal veins
-        Right gonadal vein
-        Right suprarenal vein
-        Inferior phrenic veins
-        Hepatic veins
-        3rd & 4th lumbar veins