In addition to these, we also identified some novel genes among the 14-CpG markers that were not previously associated with cancer recurrences such as IFFO1, ALKAL1, FAHD1, FSTL4, SLC7A9, IQCJ-SCHIP1, CLDN11 and three other CpGs at intergenic regions. Here, SLC7A9 is linked to cancer.