HOXB9 controls erythroblastic leukemia viral oncogene homolog (ErbB), TGFb pathway, and angiogenic factor, resulting in EMT, as well as tumor proliferation and chemoresistance; however, little is known about the expression of HOXB9 in pancreatic ductal adenocarcinoma (PDAC). This evidence concerns the gene TGFB1 and neoplasm.