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Table 3 Prognoses of invasive colonic adenocarcinomas resected for cure (R0) or with residual tumour (R1+R2) and stratified by stage-TNM/UICC [12, 13, 14, 23].

From: Colon cancer in Luxembourg: a national population-based data report, 1988–1998

Stage TNM Observed 5-year survival rates (actuarial method, 95% confidence interval)  
UICC, 5th edition R0 R1+R2 p-values ***
I * T1 N0 M0
T2 N0 M0
71 +/- 8%
(n = 129)
100% **
(n = 1)
<0.5188
II * T3 N0 M0
T4 N0 M0
63 +/- 5%
(n = 388)
45 +/- 30%
(n = 11)
<0.2392
III * anyT N1 M0
anyT N2 M0
38 +/- 5%
(n = 331)
4% **
(n = 25)
<0.0007
IV * anyT anyN M1 17 +/- 8%
(n = 83)
5% **
(n = 21)
<0.1584
I-IV *   51 +/- 3%
(n = 931)
14 +/- 9%
(n = 58)
<0.0001
  1. * only surgical specimens with available survival data
  2. ** number of cases too low for calculating the 95% confidence interval
  3. *** level of significance p < 0.05