Perioperative CT angiography assessment of locally advanced distal pancreatic carcinoma to evaluate feasibility of the modified Appleby procedure

•Modified Appleby procedure surgery is for locally advanced distal pancreas cancer.•CTA accurately confirms feasibility of modified Appleby procedure.•Significant downsizing with neoadjuvant chemoradiation makes surgery manageable.•Preoperative CTA detects involved and uninvolved particular mesenteric arteries.•Postoperative CTA shows celiac axis stump and an alternative blood flow to liver.