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). Here, HOXB9 is linked to pancreatic ductal adenocarcinoma.