RecruitingClinical trialAI Derived Biomarker to Select Neoadjuvant Treatment for Borderline Resectable Pancreatic Ductal AdenocarcinomaTo collect samples and information from patients who will be undergoing standard of care neoadjuvant treatment with either FOLFIRINOX or Gemcitabine + Nab-paclitaxel. The information collected will be used to determine if there are any "biomarkers" in your blood or tumor tissue that, when compared to your response to the neoadjuvant treatment, could be used to choose the best treatment option for future patients with similar biomarkers.