Central Hypoventilation Syndrome, Congenital, 1, also known as cchs, is related to neuroblastoma 2 and congenital central hypoventilation syndrome, and has symptoms including apnea, constipation and increased sweating. An important gene associated with Central Hypoventilation Syndrome, Congenital, 1 is PHOX2B (Paired Like Homeobox 2B), and among its related pathways/superpathways are Sudden infant death syndrome (SIDS) susceptibility pathways and Neural Stem Cells and Lineage-specific Markers. The drugs Opium and Acetazolamide have been mentioned in the context of this disorder. Affiliated tissues include lung and heart, and related phenotypes are hypoventilation and central hypoventilation