[Primary retroperitoneal tumors].
D006801:Humans; D008113:Liver Neoplasms; D008175:Lung Neoplasms; D009369:Neoplasms; D012186:Retroperitoneal Neoplasms; D012187:Retroperitoneal Space; D013131:Spine
LIVER NEOPLASMS; LUNG NEOPLASMS; RETROPERITONEAL SPACE/neoplasms; SPINE/neoplasms
Primaire retroperitoneale gezwellen.