[RETROPERITONEAL MESENCHYMOMA].
D005853:Geriatrics; D006801:Humans; D008637:Mesenchymoma; D009369:Neoplasms / Q000175:diagnosis*; D010336:Pathology; D012186:Retroperitoneal Neoplasms
GERIATRICS; MESENCHYMOMA; NEOPLASM DIAGNOSIS; PATHOLOGY; RETROPERITONEAL NEOPLASMS
M'ESENCHYMOME R'ETRO-P'ERITON'EAL.