title: Endoscopic biopsy of upper tract tumors: why bother?
authors.affiliation: Department of Urology, Southmead Hospital, Westbury-on-Trym, Bristol, England.
authors.forename: Francis X
authors.initials: FX
authors.lastname: Keeley
mesh_terms: D001707:Biopsy, Needle / Q000295:instrumentation*; D002295:Carcinoma, Transitional Cell / Q000473:pathology*; D005260:Female; D006801:Humans; D007680:Kidney Neoplasms / Q000473:pathology*; D008297:Male; D014516:Ureteral Neoplasms / Q000473:pathology*; D020709:Ureteroscopes; D018666:Ureteroscopy / Q000379:methods*