Craniofacial Dysmorphism, Skeletal Anomalies, and Impaired Intellectual Development Syndrome 2, also known as cfsmr2, is related to colorectal cancer, hereditary nonpolyposis, type 7 and craniofacial dysmorphism, skeletal anomalies, and impaired intellectual development syndrome 1. An important gene associated with Craniofacial Dysmorphism, Skeletal Anomalies, and Impaired Intellectual Development Syndrome 2 is RAB5IF (RAB5 Interacting Factor). Related phenotypes are short neck and intellectual disability, severe