Neoplasms, Germ Cell and Embryonal

**Definition:** Neoplasms composed of primordial GERM CELLS of embryonic GONADS or of elements of the germ layers of the EMBRYO, MAMMALIAN. The concept does not refer to neoplasms located in the gonads or present in an embryo or FETUS.

**Tree numbers:** - C04.557.465

**Synonyms:** - Germ Cell and Embryonal Neoplasms - Germ Cell and Embryonic Neoplasms - Neoplasms, Germ Cell and Embryonic