Unnecessary appendectomy versus missed appendicitis in the elderly.
D000367:Age Factors; D000368:Aged; D001062:Appendectomy / Q000401:mortality; D001064:Appendicitis / Q000175:diagnosis* / Q000401:mortality / Q000601:surgery; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D014481:United States