Tumor extension to renal pelvis differentiates pediatric renal sarcomas.
Sola
Juan E
JE
D002454:Cell Differentiation; D002648:Child; D006801:Humans; D007680:Kidney Neoplasms / Q000473:pathology*; D007682:Kidney Pelvis; D009362:Neoplasm Metastasis; D012509:Sarcoma / Q000473:pathology*