Operation team: Zingerenko M.B., Gazaryan M.A. Patient G., 66 y.o., male. Anamnesis: in December 2019, MSCT detected tumors in both kidneys: in the right kidney 29x32x30 mm in size, in the left kidney 60x67x51 mm in size, as well as cholelithiasis. 02/03/2020 in the urology department of the MCSC, I performed a robot-assisted right partial nephrectomy , cholecystectomy. The histological conclusion No. 20/3-000717: Papillary renal cell carcinoma of the right kidney, type 2, class 2, pT1a. Chronic calculous cholecystitis, sclerotic form. Step II is planned left partial nephrectomy . Diagnosis: Primary multiple synchronous kidney cancer: Left kidney cancer сТ 1bN0M0. Right kidney cancer рТ 1 а N0M0, Robot-assisted right partial nephrectomy 03/02/2020.