title: Editorial comment.
authors.affiliation: Urology Service, Department of Surgery, Santa Casa de Misericordia, Pontificia Universidade Catolica-PR, Curitiba, Brazil.
authors.forename: Ari
authors.initials: A
authors.lastname: Adamy
mesh_terms: D000971:Antineoplastic Combined Chemotherapy Protocols / Q000627:therapeutic use*; D002292:Carcinoma, Renal Cell / Q000628:therapy*; D005260:Female; D006801:Humans; D007680:Kidney Neoplasms / Q000628:therapy*; D008297:Male; D009360:Neoplastic Cells, Circulating / Q000473:pathology*; D014682:Vena Cava, Inferior / Q000601:surgery*