IL1RL1 and pancreatic neoplasm: To examine the association between IL33 and ST2 (IL1RL1) expression and prognosis in pancreatic cancer patients, we searched the public prognosis databases PROGgeneV2 (http://watson.compbio.iupui.edu/chirayu/proggene/database/?url=proggene) and SurvExpress (http://bioinformatica.mty.itesm.mx:8080/Biomatec/SurvivaX.jsp).