This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
[{'content': 'Renal vein thrombosis (RVT) may be seen in : \nSelect and explain. \nA. Trauma, B. Renal Cell Ca, C. Pregnancy, D. All', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Answer is A,B,C (All of the above) Trauma, Renal Cell Ca, Pregnancy, Nephrotic Syndrome and Dehydration can all be associated with Renal Vein Thrombosis Conditions associated with Renal Vein Thrombosis : Extrinsic compression (lymph nodes, aoic aneurysm, tumor) Invasion by renal cell carcinoma Dehydration (infants) Nephrotic syndrome Pregnancy or oral contraceptives', 'role': 'assistant'}]