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Imaging results of the tumor beside the head of the pancreas. (A) Baseline CT scan after 1 week of the 2nd surgery (R1). No obvious tumor outside the head of the pancreas. (B) The relapsed tumor was about 5.1 cm × 6.5 cm in size after 4 months of regorafenib therapy. (C) The tumor was about 6.9 cm × 6.5 cm in size after 1 month of ripretinib therapy. CT, computed tomography.
