Mediastinum Seminoma, also known as seminoma of mediastinum, is related to teratoma and seminoma. An important gene associated with Mediastinum Seminoma is ALPP (Alkaline Phosphatase, Placental), and among its related pathways/superpathways are Embryonic and Induced Pluripotent Stem Cells and Lineage-specific Markers and Mesenchymal Stem Cells and Lineage-specific Markers.