Testicular Seminoma

**Semantic type:** Neoplastic Process

**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.

**Synonyms:** - Seminoma of Testis - Seminoma of the Testis - Testicular Seminoma Pure - Testicular seminoma