Task: Question Answering
Input (English): Question: Question linked to image # 12 In the CT that is shown, the most likely diagnosis is: 
 Options:  <1> Polycystic kidney disease <2> Retroperitoneal mass. <3> Renal tuberculosis <4> Renal cystic neoplasia. <5> Obstructive uropathy.
Output (English): 5