The subfield of onco-nephrology has evolved significantly since its inception, with the term itself emerging in the nephrology world nearly two decades ago. There has been significant growth and interest in this field in past decade. This growing interest was recently highlighted when the University of Turin in Italy hosted the second onco-nephrology meeting on April 11–12, 2025, titled: “The New Challenge for Nephrologists and Oncologists.” Here we briefly summarize the history of onco-nephrology and the lectures from Turin meeting which will be highlighted in this issue of JON.
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