FOLFIRINOX Followed by Ipilimumab With Pancreatic Tumor Vaccine in Treatment of Metastatic Pancreatic Cancer

3 mg/kg administered IV (10mg/kg if treatment started prior to protocol v 6.3)

5x10\^8 cells administered in 6 intradermal injections

Standard of care FOLFIRINOX may be modified according to the patient's known tolerability. Acceptable modified options could include 5-FU alone, capecitabine, FOLFOX, FOLFIRI, or FOLFIRINOX on a 21 day cycle.