Secondly, there are three genes shared among the three groups of cancer patients but not with the group of healthy individuals, namely BAGE2, HAVCR1P1, and LINC01667. Numerous studies have reported the correlation of the abnormal expression of BAGE2 [22, 23] and LINC01667 [24] with carcinogenesis of multiple types of cancers. Here, LINC01667 is linked to cancer.