Primary tumor (T):-
T0: No evidence of primary tumor
T1: Tumor 7 cm or less in the largest dimension, Tumor is confined to the kidney (i.e no penetration through the capsule).
T2: Tumor greater than 7 cm in the largest dimension, Tumor is confined to the kidney (i.e no penetration through the capsule).
T3a: Tumor penetrates through the kidney capsule into the surrounding fat or the adrenal gland, but not through Gerota's fascia.
T3b: Tumor extends into renal vein(s) or vena cava below diaphragm.
T3c: Tumor extends into vena cava above diaphragm.
T4: Tumor invades beyond Gerota's fascia.
N - Regional lymph nodes
N0: No regional lymph node metastasis N1: Metastasis in a single regional lymph node
N2: Metastasis in more than one regional lymph node
M - Distant metastasis
M0: No distant metastasis M1: Distant metastasis
Dr Ibrahim Samaha.
Source of Pics:-UCLA Health System
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