question: Q:Ultrasonography of the scrotum shows a 2-cm hypoechoic, homogeneous testicular mass with sharp margins. A CT scan of the abdomen shows a single enlarged para-aortic lymph node. Which of the following is the most appropriate next step in management?? 
  {'A': 'Radiation therapy', 'B': 'Systemic polychemotherapy', 'C': 'Scrotal orchiectomy', 'D': 'Radical inguinal orchiectomy', 'E': 'Open testicular biopsy'},