Fig. 2From: Surgical technique for the treatment of renal cell carcinoma with inferior vena cava tumor thrombus: tips, tricks and oncological resultsSubclassification of level III thrombus. IIIa: below hepatic veins. IIIb: reaching hepatic veins. IIIc: above hepatic veins. IIId: above diaphragm (from Ciancio et al. 2002)Back to article page