title: Congenital absence of the vermiform appendix.
mesh_terms: D001064:Appendicitis / Q000175:diagnosis* / Q000601:surgery; D001065:Appendix / Q000002:abnormalities*; D002648:Child; D003951:Diagnostic Errors; D005260:Female; D006801:Humans; D007409:Intestinal Atresia / Q000175:diagnosis*