[Primary retroperitoneal tumors; case report of leiomyosarcoma].
D006801:Humans; D007890:Leiomyosarcoma; D008499:Medical Records; D009369:Neoplasms; D012186:Retroperitoneal Neoplasms; D012187:Retroperitoneal Space
LEIOMYOSARCOMA/case reports; RETROPERITONEAL SPACE/neoplasms
Tumores retroperitoneales primitivos; a propósito de un caso de lelomiosarcoma.