Nutrition Intervention for Pancreatic Cancer

Inclusion Criteria: * Pancreatic ductal adenocarcinoma or pancreatic neuroendocrine tumor diagnosis and age greater than or equal to 18 years * Life expectancy of 4 months or greater * Oral or enteral tube feeding for \> 60% daily calories * For patients with NET, evidence of GI dysfunction such as \>5% unintentional weight loss, increased number of bowel movements¸change in stool consistency (e.g., soft stool or diarrhea), as documented in the medical record and confirmed by the treating oncologist. Exclusion Criteria: * Pregnant or lactating * Unable to consume food by mouth (oral intake) * Allergy to soy lecithin product ingredients * Psychosocial environment for which study participation may be difficult for subject or family, as confirmed by medical team * Military service members, Reserve Service members, National Guard members, Department of Defense (DoD) civilians, and DoD contractors * Patients with diminished capacity to consent