@article{Jonathan202319 title = "Massive Hematemesis as Initial Presentation of Advanced Pancreatic Adenocarcinoma", journal = "Journal of Clinical Case reports and Images", volume = "2", number = "4", pages = "19 - 23", year = "2023", note = "", issn = "2641-5518", doi = "https://doi.org/10.14302/issn.2641-5518.jcci-23-4743", url = "http://mail.oap-journals.orgjcci/article/2011", author = "Farshadmand B.S. Jonathan and Rodriguez M.D. Neyshia and Kashfi M.D. Simon and Mehta M.D. Prachi", keywords = "pancreatic adenocarcinoma gastrointestinal bleed", keywords = "upper gastrointestinal bleed", keywords = "severe hematemesis", keywords = "hemorrhagic shock", keywords = "duodenal invasion" }