Neoadjuvant Gemcitabine, Docetaxel, and Capecitabine in Combination With Stereotactic Radiosurgery

* Cycle 1 and 2: * Days 4, 11 and 25, 32 ....gemcitabine 750 mg/m\^2 intravenous piggy back (IVPB) over 30 min * Days 4, 11 and 25, 32 ....docetaxel 30 mg/m\^2 IVPB over 1 hour * Days 1-14 and 22-35 ....capecitabine 750 mg/m\^2 oral twice daily * Each cycle is 21 days long * SRS: Day 43 ....25 Gy single fraction to the pancreatic tumor gross target volume * Cycle 3 and 4: * Days 54, 61 and 75, 82 ....gemcitabine 750 mg/m\^2 IVPB over 30 min * Days 54, 61 and 75, 82 ....docetaxel 30 mg/m\^2 IVPB over 1 hour * Days 51-64 ....capecitabine 750 mg/m\^2 oral twice daily * Each cycle is 21 days long * Surgery: Exploratory laparotomy or laparoscopy followed by pancreaticoduodenectomy or central pancreatectomy with or without vein resection and reconstruction as appropriate.