In addition, as shown in Additional file 1: Fig. S3A, pan-cancer analysis based on TCGA RNA-seq datasets showed that among ESCA, KICH, LAML, KIRC, PAAD and SKCM, only in ESCA high mRNA levels of MS4A7 was a predictor of poor outcome (a < 0.05). Here, MS4A7 is linked to cancer.