title: Is patient performance status always an accurate surrogate for predicting tumor biology in patients with metastatic renal cancer?
authors.forename: Vitaly
authors.initials: V
authors.lastname: Margulis
authors.forename: Christopher G
authors.initials: CG
authors.lastname: Wood
mesh_terms: D000203:Activities of Daily Living; D002292:Carcinoma, Renal Cell / Q000473:pathology / Q000601:surgery*; D006801:Humans; D007680:Kidney Neoplasms / Q000473:pathology / Q000601:surgery*; D009392:Nephrectomy; D011379:Prognosis; D016896:Treatment Outcome