title: Colonic diverticulitis in patients under age 40: need for earlier diagnosis.
mesh_terms: D000293:Adolescent; D000328:Adult; D001064:Appendicitis / Q000175:diagnosis; D003937:Diagnosis, Differential; D004239:Diverticulitis, Colonic / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D004630:Emergencies; D006801:Humans; D013530:Surgical Wound Infection / Q000209:etiology