<prompt> Which one of the following is not true regarding choriocarcinoma?Aggressive malignancyRaised HCG levelsCommon below 20 years of ageGonadal type is chemo sensitive  <response>: Ans. d Gonadal type is chemo sensitiveRef: Robbins 9thpg 1031In contrast to choriocarcinomas arising in placental tissue, those arising in the ovary are generally unresponsive to chemotherapy and are often fatal. Q 