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: Surgery
All can be seen in hypernephroma, EXCEPT ? 
Select and explain. 
A. Polycythemia, B. Renal vein thrombosis, C. Hypeension, D. None
D: None
Answer: D: None 
Explanation: Ans. 'None' All the features given in the question can be seen in Renal cell carcinoma or (Hypernephroma). Hematuria is the most common presenting feature. Renal cell carcinoma usually presents with anaemia but polycythemia can be seen in 4% of cases as a result of production of elythropoiten. Hypeension is seen in 20% of cases of Renal cell carcinoma. Renal cell carcinoma has a tendency to invade renal vein and cause renal vein thrombosis.