Appendicitis as the presenting complaint in cystic fibrosis.
D000208:Acute Disease; D001062:Appendectomy; D001064:Appendicitis / Q000175:diagnosis / Q000209:etiology*; D002675:Child, Preschool; D003550:Cystic Fibrosis / Q000150:complications / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male