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Contrast-enhanced computed tomography (CT) and magnetic resonance imaging (MRI) after two cycles of gemcitabine plus nab-paclitaxel therapy showing substantial shrinkage of the tumor (yellow arrow). Although the tumor is still in contact with the GDA, CHA, and SPA on CT, MRI shows a gap between the tumor and arteries. CHA common hepatic artery, GDA gastroduodenal artery, SPA splenic artery
