This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Testis and scrotum, Subject name: Surgery
Most malignant testicular tumors is: 
Select and explain. 
A. Seminoma, B. Teratoma, C. Choriocarcinoma, D. Embryonal carcinoma
C: Choriocarcinoma
Answer: C: Choriocarcinoma 
Explanation: Topic: - TESTICULAR TUMOR MC histological type of testicular tumor: Mixed (if option is there, otherwise seminoma) - MC tumor of testis: Seminoma - MC bilateral testicular tumor: Seminoma. - Most radiosensitive testicular tumor: Seminoma. MC testicular tumor in infant & children upto 3 years: Yolk sac tumor. MC testicular tumor in prepubeal children: Teratoma. - MC testicular tumor in patients > 60 years: Lymphoma - MC bilateral testicular tumor: Lymphoma. - MC secondary testicular tumour: Lymphoma. MC histologic type of testicular lymphoma: Diffuse large B-cell lymphoma (DLBL) Testicular tumour with best prognosis: Yolk sac tumor. Testicular tumour with worst prognosis: Hurricane tumor (Type of choriocarcinoma) Most malig: Choriocarcinoma