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Page Background

Anal Cancer : TNM stage & Outcome

US GI Intergroup RTOG 98-11 phase 3 anal cancer trial

RCT of RT + 5FU/MMC versus RT + 5FU/CDDP & indictin chemotherapy with

5FU/CDDP

T2 – T4 +/- LN metastases ( excludes T1 N0-3 and M1 disease )

N = 620 patients

No.

5yr Local

Failure

5yr

DM

3yr

Colostomy

failure

5yr

DFS

5yr

OS

T2 N0

323 17 % 10 % 11 % 72 % 82 %

T3 N0

96

18 % 14 % 13 % 61 % 74 %

T4 N0

31

37 % 21 % 26 % 50 % 57 %

T2 N1-3

99

26 % 27 % 11 % 57 % 70 %

T3 N1-3

46

44 % 24 % 27 % 38 % 57 %

T4 N1-3

25

60 % 24 % 24 % 31 % 42 %

T2 or 3 N0

419 17 % 11 % 11 % 70 % 80 %

T4N0 or T2-4 N1-3 201 36 % 25 % 19 % 49 % 62 %

( Gunderson et al 2013 )