An Unusual Gastric Lesion during Chemotherapy for Pancreatic Cancer

Question: A 72-year-old woman with type 2 diabetes presented with appetite loss. Laboratory testing showed an elevation of her CA19-9 level (174.5 U/mL; reference value, <37 U/mL). Abdominal computed tomography revealed a 60-mm mass lesion in the pancreatic body, with involvement of the celiac artery, common hepatic artery and splenic artery (Figure A, arrow). No distant metastases were noted at that time. The patient was ultimately diagnosed as...