Among the 12 genes (APCDD1L, CD70, FBXO39, GALNT5, HMGA2, HOXA3, HOXC6, HOXC9, HOXD11, SHOX2, MEOX2, OTP) within normal detection thresholds, differential expression was observed between tumor and adjacent tissues (Supplementary Figure S3B). Here, CD70 is linked to neoplasm.