Immunogen sequence: MKGWGWLALL LGALLGTAWA RRSQDLHCGA CRALVDELEW EIAQVDPKKT IQMGSFRINP DGSQSVVEVP YARSEAHLTE LLEEICDRMK EYGEQIDPST HRKNYVRVVG RNGESSELDL QGIRIDSDIS GTLKFACESI VEEYEDELIE FFSREADNVK DKLCSKRTDL CDHALHISHD EL; Positive Samples: BxPC-3, SGC-79