1 Istituto di Ricovero e Cura a Carattere Scientifico San Matteo University Hospital Foundation, Pavia; and Joint Italian Association of Medical Oncology and Italian Society of Nephrology Working Group on Nephro-Oncology, Bologna, Italy c.porta@smatteo.pv.it.
2 Istituti Ospitalieri di Cremona, Cremona; and Joint Italian Association of Medical Oncology and Italian Society of Nephrology Working Group on Nephro-Oncology, Bologna, Italy.
3 San Carlo Borromeo Hospital and University of Milano, Milan; and Joint Italian Association of Medical Oncology and Italian Society of Nephrology Working Group on Nephro-Oncology, Bologna, Italy.