Fig. 1

Digitally reconstructed radiograph of local recurrences. a Anterior-posterior and b lateral views of local recurrence plots with respect to the superior mesenteric artery (red) and celiac artery (green) for postoperative patients with pancreatic head(yellow), body(blue), and tail (peach) cancer. c Anterior-posterior and d lateral views of local recurrence plots with respect to the superior mesenteric artery (red) and celiac artery (green) for postoperative patients with chemotherapy alone (yellow) or no adjuvant therapy (blue) in pancreatic head cancer. e Anterior-posterior and f lateral views of local recurrence plots with respect to the superior mesenteric artery (red) and celiac artery (green) for postoperative patients with chemotherapy alone (orange) or no adjuvant therapy (lavender) in pancreatic head cancer. g Anterior-posterior and h lateral views of local recurrence plots with respect to the superior mesenteric artery (red) and celiac artery (green) for postoperative patients with chemotherapy alone (peach) or no adjuvant therapy (dark green) in pancreatic head cancer