Department of Surgery;
Hospital HMG Coyocán;
CDMX;
México;
Coordination of Medical Services;
Mexican Red Cross I.A.P.;
CDMX;
México;
Pathology Laboratory;
Grupo Diagnóstico;
CDMX;
México;
Appendicolith; Fecalith; Chronic; Appendicitis; Acute; Abdomen; Abdominal; Calcification; Acute; Appendicitis;