The GSE107943 dataset obtained from GEO revealed nine overexpressed laminin genes in CCA compared to the adjacent noncancerous tissues, namely LAMA2, LAMA3, LAMA4, LAMA5, LAMB1, LAMB2, LAMB3, LAMC1, and LAMC2 (Fig. 1a). The gene discussed is LAMA4; the disease is cholangiocarcinoma.