[Retroperitoneal liposarcoma; report of 3 cases, 2 associated with hypernephroma].
D002292:Carcinoma, Renal Cell; D006801:Humans; D007680:Kidney Neoplasms; D008080:Liposarcoma; D008499:Medical Records; D012186:Retroperitoneal Neoplasms
KIDNEYS/neoplasms; LIPOSARCOMA/case reports