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ANAL CANCER : UICC TNM STAGE
T STAGE
•
TX
- tumor cannot be assessed
•
T0
-
no primary tumor
•
Tis
-
AIN 2 & 3 ; high grade SIL
•
T1
-
tumor < 2cm maximum diameter
N STAGE
•
NX
-
nodes cannot be assessed
•
N0
–
no node metastasis
•
N1
–
metastasis in peri-rectal nodes
•
N2
–
metastasis in unilateral internal
•
T2
-
tumor > 2cm & < 5cm
•
T3
-
tumor > 5cm
•
T4
-
tumor of any size invading
adjacent organs eg. vagina,
urethra,bladder ( excludes rectum, peri-
anal skin & sphincter muscle )
iliac and/or inguinal nodes
•
N3
–
metastasis in peri-rectal & inguinal
nodes or bilateral internal iliac node
involvement or bilateral inguinal node
involvement
any tumor between rectum and
peri-anal skin
anal margin tumors classified as
skin cancers