Genes which have the lowest relativestandard deviation when all six cancer groups are analysed individually and also have a low standard deviation in all six cancer groups are NXNL1, PATE, C21orf89, OR10G7, CSHL1, GRM2,OR10A5, OR8H1, OR1A1, NHLH2, EIF2B1, OR7D4, CRHR1, INHBC, PGLYRP1, OR6N1, OR13F1, ATP1B4, OR10A4, TNP2, C7orf42, TP73, TAS2R60 and STX10. Here, OR7D4 is linked to cancer.