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TNM staging of renal cell carcinoma

“ T N M 1. <7 cm size, confined to kidney (a <4 cm, b <7 cm) 1. Tumour at regional nodes 1. Distant nodes or other organ involvemen...

TNM
1. <7 cm size, confined to kidney (a <4 cm, b <7 cm)1. Tumour at regional nodes1. Distant nodes or other organ involvement
2. >7 cm, confined to kidney (a 7–10 cm, b >10 cm)
3. Involves major veins or perinephric tissue; does not breach Gerota fascia

a. Involves renal vein and perinephric fat
b. Involves subdiaphragmatic inferior vena cava
c. Involves supradiaphragmatic inferior vena cava 

4. Breach of Gerota fascia, may involve adrenal