The aim of the study was to assess short-and long-term results following radical nephrectomy with renal vein and inferior vena cava thrombectomy in patients with renal cell cancer with venous thrombus and to investigate impact of various demographical, clinical and histological factors on overall survival (OS). The medical records of 102 adult patients with renal cell cancer with venous thrombus admitted for surgery in Department of General, Vascular and Transplant Surgery from 2012 to 2019 were retrospectively analyzed. The tumor was more frequently located on the right side compared to the left one (55 vs. 47). According to Neves Zincke classification, the levels of venous thrombus were as follows: 1 to 48 (47%), 2 to 47 (46%), 3 to 6 (6%), and 4 to 1 (1%). Postoperative complications were noted in 16 (15.7%) patients. One (3%) patient (Neves Zincke 2) died of intraoperative pulmonary embolism during hospitalization. Clear cell carcinoma was the most common pathological type reported in 92 (90.2%) patients. Thirty nine (38.2%) patients were alive at the time of last follow-up. The median OS was 21.50 (0-101.17) months. The 1-year OS was 75.5%. Significantly better OS (median 38.03 months) was noted in patients with RCC Neves Zincke 1 compared to OS (median 14.79 months) in patients with Neves Zincke 2-4 VT (P = .008). Higher tumor staging (T3 vs. T4) (P = .038), nodal staging (N0 vs. N1) (P = .0008), Fuhrman histological grading (G1-2 vs. G3-4) (P = .033) were associated with a shorter OS. Patients with renal cell cancer with venous thrombus, with an acceptable perioperative risk, should be treated surgically, because radical nephrectomy with thrombectomy performed in a high volume surgical center is a safe procedure. Neves Zincke 2-4 venous thrombus, higher tumor and nodal staging, as well higher Fuhrman histological grading are associated with a shorter OS.Abbreviations: CT = computed tomography, DFS = disease-free survival, IVC = inferior vena cava, OS = overall survival, RCC = renal cell carcinoma, RCC-IVCTT = renal cell carcinoma with inferior vena cava tumor thrombus, RCC-VT = renal cell carcinoma with venous thrombus, RV = renal vein, VTT = venous tumor thrombus.

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