Assessment of complications after laparoscopic surgery of kidney tumors using Clavien-Dindo classification.

<b>Introduction:</b> Surgical procedures are accepted, basic method of treating kidney cancer. <br><b>Aim:</b> The aim of the study was to assess postoperative complications according to the Clavien-Dindo classification after laparoscopic procedures in the treatment of kidney cancer. <br><b>Material and methods: </b>A retrospective study involved 112 patients. The research was based on the analysis of data from the medical records of the clinic and the documentation of the urological polyclinic. Classification of postoperative complications according to Clavien and Dindo in the operated patients was assessed on a 7-point scale. <br><b>Results:</b> Less severe complications occurred in 24 patients (21.4%). All the above-mentioned TNMtransfusions. Grade IIIb complication occurred in one patient (0.9%) and required kidney removal. <br><b>Conclusions: </b>The use of the Clavien-Dindo classification in the assessment of postoperative complications of laparoscopic renal procedures is a simple and objective diagnostic tool for establishing the postoperative condition of patients. The results of our examination of complications after laparoscopic renal surgery according to the Clavien-Dindo classifications are similar to those obtained in renowned urological centers.