title: Editorial comment.
authors.affiliation: Department of Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.
authors.forename: Jodi
authors.initials: J
authors.lastname: Maranchie
mesh_terms: D000362:Agar; D044963:Biopsy, Fine-Needle / Q000379:methods*; D002292:Carcinoma, Renal Cell / Q000473:pathology*; D003581:Cytodiagnosis / Q000379:methods; D006801:Humans; D007680:Kidney Neoplasms / Q000473:pathology*
chemical_list: D000362:Agar