title: An ominous left-sided pelvic mass in a young woman associated with the Cambridge Diet.
mesh_terms: D000293:Adolescent; D003937:Diagnosis, Differential; D004033:Diet Fads / Q000009:adverse effects*; D004733:Enema; D005244:Fecal Impaction / Q000175:diagnosis / Q000209:etiology* / Q000628:therapy; D005260:Female; D006801:Humans; D010051:Ovarian Neoplasms / Q000175:diagnosis