marginal significanceP < .056
[ 6 ] Of the 3 latest published articles, Hong et al (n = 479) showed the addition of IC showed significant benefit to DFS and LFFS [ 6 ] ; Sun et al (n = 480) showed the significant benefit of IC addition to OS, DFS and LFFS [ 9 ] ; and Cao et al (n = 476) showed IC addition significantly improved DFS and a marginal significance in DMFS ( P < .056).