title: Editorial Comment.
authors.affiliation: Fox Chase Cancer Center, Philadelphia, Pennsylvania.
authors.forename: Nikhil
authors.initials: N
authors.lastname: Waingankar
authors.affiliation: Fox Chase Cancer Center, Philadelphia, Pennsylvania.
authors.forename: Robert G
authors.initials: RG
authors.lastname: Uzzo
mesh_terms: D018249:Adenoma, Oxyphilic / Q000473:pathology* / Q000628:therapy*; D002292:Carcinoma, Renal Cell / Q000473:pathology* / Q000628:therapy*; D005260:Female; D006801:Humans; D007680:Kidney Neoplasms / Q000473:pathology* / Q000628:therapy*; D008297:Male; D057832:Watchful Waiting