Tags: Disease.
Embryonal tumor is a mass of rapidly growing cells. It is believed that it begins in embryonic (fetal) tissue. Embryonal tumors may be benign or malignant and include neuroblastomas and Wilms tumors. Also called embryoma. Embryomas have been defined as: Adult neoplasms expressing one or more embryo-exclusive genes in: Embryoma Gene Networks http://www.embryomas.netEmbryomas can appear in the lungs.It is not a precise term and it is not commonly used in modern medical literature.