NCIt synonyms : Seminoma of the Testis; Testicular Seminoma Pure; Seminoma of Testis;
NCIt definition : A malignant germ cell tumor arising from the testis. It is believed that it is derived
from the sexually undifferentiated embryonic gonad. Treatment with radiotherapy is
highly successful when the tumor is diagnosed in localized stages, which represents
the majority of presentations of seminoma.;