Monarch Disease Ontology entry MONDO_0019078 (Ritscher-Schinzel syndrome) can be described as follows. Cranio-cerebello-cardiac (3C) syndrome is a rare multiple congenital anomalies syndrome characterized by craniofacial (prominent occiput and forehead, hypertelorism, ocular coloboma, cleft palate), cerebellar (Dandy-Walker malformation, cerebellar vermis hypoplasia) and cardiac (tetralogy of Fallot, atrial and ventricular septal defects) anomalies. Also known as: 3C syndrome, CCC dysplasia, Craniocerebellocardiac dysplasia, craniocerebellocardiac dysplasia.