RecruitingRadiation therapyPreoperative Fractionated Radiation Therapy Versus Stereotactic Body Radiation Therapy for Resectable or Borderline Resectable, or Locally Advanced Type A Pancreatic AdenocarcinomaPatients are randomized into two arms. Arm A patients will receive Stereotactic Body Radiation Therapy (SBRT) and Arm B patients with receive conventional concurrent chemotherapy and radiation therapy.