<prompt> Choriocarcinoma metastasizes most commonly to: March 2012VaginaLungsLiverBrain  <response>: Ans: B i.e. Lungs Metastasis of choriocarcinoma Vaginal metastases forms in 30 of cases of choriocarcinoma The most common metastases in choriocarcinoma are seen in lungs 80, brain and liver 10. 