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A representative patient who underwent curative resection after stereotactic body radiation therapy (SBRT). (A,B) Pre-SBRT magnetic resonance imaging and computed tomography (CT) show pancreatic head cancer (red arrow) abutting more than 180° of the superior mesenteric artery (SMA). (C) Gross tumor volume and planning target volume in simulation CT. (D) Three months follow-up CT after SBRT shows decreased tumor and SMA abutment.
