<prompt> Extragonadal germ cell tumors occur in all of the following except -Sacrococcygeal regionMediastinumBrainTestis  <response>: Extragonadal germ cell tumors occur at : -Mediastinum M.C. site. Retroperitoneum 2nd M.C. site. Sacrococcygeal region Sacrococcygeal teratoma.Pineal gland 