Situs Inversus, also known as complete situs inversus viscerum, is related to visceral heterotaxy and primary ciliary dyskinesia. An important gene associated with Situs Inversus is CFAP53 (Cilia And Flagella Associated Protein 53), and among its related pathways/superpathways are Ciliopathies and Signaling by NODAL. The drugs Nitric Oxide and Vasodilator Agents have been mentioned in the context of this disorder. Affiliated tissues include heart and liver, and related phenotypes are nervous system and growth/size/body region