5- and 10-year disease-free survival (DFS) according to posttreatment pathologic (yp) stage and tumor regression grade (TRG) at resection after neoadjuvant chemoradiotherapy in the German Rectal Cancer Study Group (CAO/ARO/AIO-94) trial

yp category	5-year DFS (%)	10-year DFS (%)
ypT
T0	86	90
T1	95	95
T2	81	78
T3	65	66
T4	42	40
ypN
N0	85	84
N1	65	59
N2	18	28
TRG	5-year DFS (%)	10-year DFS (%)
4	86	90
2-3	75	74
0-1	63	63

Five-tier system for TRG. Complete regression = TRG 4; intermediate regression = TRG 2-3; poor or no regression = TRG 0-1.

Data from: Rödel C, Martus P, Papadoupolos T, et al. Prognostic significance of tumor regression after preoperative chemoradiotherapy for rectal cancer. J Clin Oncol 2005; 23:8688 and Fokas E, Liersch T, Fietkau R, et al. Tumor regression grading after preoperative chemoradiotherapy for locally advanced rectal carcinoma revisited: updated results of the CAO/ARO/AIO-94 trial. J Clin Oncol 2014; 32:1554.

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خرید پکیج

5- and 10-year disease-free survival (DFS) according to posttreatment pathologic (yp) stage and tumor regression grade (TRG) at resection after neoadjuvant chemoradiotherapy in the German Rectal Cancer Study Group (CAO/ARO/AIO-94) trial