TSPAN4 and neoplasm: Using GEPIA, TSPAN4 was highly expressed in 7 tumor cell lines, including DLBC, GBM, KIRC, LIHC, PAAD, SKCM and THYM, and lowly expressed in 12 tumor cell lines, including BLCA, BRCA, CESC, COAD, KICH, LUAD, LUSC, OV, PRAD, READ, UCEC and UCS.