Renal cell carcinoma with renal vein thrombus and hepatic metastases


Robson Stage for RCC 1

Stage I            Confined within renal capsule

Stage II           Perinephric stranding, perinephric collateral or soft tissue mass in perinephric space

Stage III        

           A          Filling defect within a distended vein; direct continuity of thrombus with primary mass

           B          Lymph nodes ≥1 cm

Stage IV-

           A          Obliteration of normal soft tissue planes between tumor and adjacent organs

           B          Metastases enhance with IV contrast material (hepatic metastases in arterial phase)