(ICD‐O‐3 C64) (FIG. 506)


KIDNEY (ICD‐O‐3 C64) (FIG. 506)


Rules for Classification


The classification applies only to renal cell carcinoma. There should be histological confirmation of the disease.

Schematic illustration of Kidney.

Fig. 506


Regional Lymph Nodes (Fig. 507)


The regional lymph nodes are the hilar, abdominal para‐aortic, and paracaval nodes. Laterality does not affect the N categories.

Schematic illustration of the regional lymph nodes are the hilar, abdominal para-aortic, and paracaval nodes.

Fig. 507


TNM Clinical Classification


T – Primary Tumour




























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Dec 15, 2022 | Posted by in ONCOLOGY | Comments Off on (ICD‐O‐3 C64) (FIG. 506)

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TX Primary tumour cannot be assessed
T0 No evidence of primary tumour
T1 Tumour 7 cm or less in greatest dimension, limited to the kidney

T1aTumour 4 cm or less (Fig. 508)

T1b Tumour more than 4 cm but not more than 7 cm (Fig. 509)
T2 Tumour more than 7 cm in greatest dimension, limited to the kidney (Fig. 510)

T2a Tumour more than 7 cm but not more than 10 cm

T2b Tumour more than 10 cm, limited to the kidney
T3 Tumour extends into major veins or perinephric tissues but not into the ipsilateral adrenal gland and not beyond Gerota fascia

T3a Tumour extends into the renal vein or its segmental branches, or tumour invades the pelvicalyceal system, or tumour invades perirenal and/or renal sinus fat (peripelvic fat) but not beyond Gerota fascia (Fig. 511)