Alveolar soft part sarcoma of the retroperitoneum.
D006801:Humans; D008499:Medical Records; D009369:Neoplasms; D012186:Retroperitoneal Neoplasms; D012187:Retroperitoneal Space; D012509:Sarcoma; D018234:Sarcoma, Alveolar Soft Part
RETROPERITONEAL SPACE/neoplasms; SARCOMA/case reports