Preoperative Stereotactic Body Radiation Therapy in Patients With Resectable Pancreatic Cancer

"1. Preoperative Stereotactic body radiation therapy (SBRT) For the gross pancreatic cancer lesion, 30 Gy/5 fx will be prescribed considering respiratory movement. And 20 Gy/5 fx will be prescribed to the triangle operation area including the common hepatic artery, celiac artery, and portal vein.~2. Pancreatic resection Surgical resection will be performed 2-4 weeks after the end of radiation therapy. The surgical method and resection range depend on the surgeon's judgment at the time of surgery.~3. Adjuvant Chemotherapy Adjuvant chemotherapy will be given under the judgment of the oncologist from 4 weeks after surgical resection, considering the pathological findings (R0 or R1 resection status, etc.) and the patient's medical condition. Adjuvant chemotherapy includes gemcitabine alone, gemcitabine plus capecitabine combination therapy, and mFOLFIRINOX."