To the editor:I had the pleasure of reading a very interesting,original article published recently by Zhang et al.[1]in your prestigious journal,entitled“Comparison of the oncological,perioperative and functional outcomes of partial nephrectomy versus radical nephrectomy for clinical T1b renal cell carcinoma:A systematic review and meta-analysis of retrospective studies”.The interest in partial nephrectomy(PN)remains relevant after all these years of standardizing PN for cT1 renal masses[2,3].As all similar publications,this technique cannot be talked about without praising it for the preservation of long-term renal function(RF)compared to radical nephrectomy,especially for patients with a chronic kidney disease(CKD)[1e3].This article contains no less than two references whose titles refer directly to the RF.The interest in this aspect comes from our thesis work on PN,where we noticed an improvement in postoperative RF and its maintenance over time,in some patients,even with CKD,whether in our study or elsewhere.
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