title: [A case of retroperitoneal tumor (leiomyosarcoma) simulating a kidney tumor].
mesh_terms: D000368:Aged; D003937:Diagnosis, Differential; D006801:Humans; D007680:Kidney Neoplasms / Q000175:diagnosis*; D007890:Leiomyosarcoma / Q000175:diagnosis*; D008297:Male; D012186:Retroperitoneal Neoplasms / Q000175:diagnosis* / Q000473:pathology
vernacular_title: Un cas de tumeur rétro-péritonéale (léiomyosarcome) simulant une tumeur du rein.