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
[{'content': 'A 27 year old man presents with a left testcular tumor with a 10 cm retroperitoneal lymph node mass. The treatment of choice is - \nSelect and explain. \nA. Radiotherapy, B. Immunotherapy with interferon and interleukins, C. Left high inguinal orchiectomy plus chemotherapy, D. Chemotherapy alone', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Left high inguinal orchiectomy plus chemotherapy This patient has retroperitoneal lymph node mass, hence its stage II. Its more than 5 cm thus its stage Hc. Treatment of stages for IIC and beyond is the same for both seminomas & nonseminomas i.e. ---> chemotherapy after inguinal orchiectomy", 'role': 'assistant'}]