Title: “Choledochoduodenal fistula arising from pancreatic lymphoma: An exceedingly rare phenomenon”Authors (and institutional affiliations): Dr Shalvin Jassal (BiomedSci, MBBS, MSurg)1Dr Nathan Ip (5th year MBBS student)2Dr Adrian Fox (MBBS, FRACS)1Dr Melanie Crispin (MBBS (Hons), BMedSci, PGDipSurgA, PGDipSurgED, FRACS)11 Upper Gastrointestinal Surgery Unit, Eastern Health, Melbourne, Victoria, Australia2 Monash University, Faculty of Medicine, Nursing and Health Sciences, Clayton, Melbourne, Victoria, AustraliaThe listed authors declare they have no conflicts of interest to disclose. This manuscript has not been published or submitted elsewhere for consideration of publication. There are no further authors to list or acknowledge. Funding: No funding was acquired or sought for the production for this manuscript. Data accessibility statement: All data available has been presented within this manuscript.Keywords: Choledochoduodenal fistula, Biliary Obstruction, Pancreatic Lymphoma, Non-Hodgkin’s Lymphoma, Diffuse Large B-cell LymphomaCorresponding author: Dr Shalvin Jassal [email protected]