The DFS was slightly worse in the UFT + PSK arm than in the surgery-alone arm, but the difference did not reach statistical significance (log rank p = 0.102).
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Randomized phase III trial comparing surgery alone to UFT + PSK for stage II rectal cancer (JFMC38 trial).
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0.1020
0.1020
The sentences
A randomized, double-blind trial as well as a meta-analysis of those trials for resectable gastric cancers showed that PSK provided borderline significant benefits in improving the disease-free survival (DFS) and OS [ 9 , 10 ].