Adult Cystic Nephroma, also known as multilocular cystic nephroma, mixed epithelial stromal tumour and renal epithelial stromal tumour, is related to nephroma and wilms tumor 5. An important gene associated with Adult Cystic Nephroma is MEST (Mesoderm Specific Transcript), and among its related pathways/superpathways are Signaling by ERBB4 and Nuclear receptors. Affiliated tissues include kidney, and related phenotypes are muscle and embryo