Fig. 5

Therapeutic assessments after neoadjuvant chemotherapy for treatment of pancreatic cancer. a Computed tomography showed regression of the pancreatic tumor (red circle) in size from 26 to 18 mm after neoadjuvant chemotherapy. b The regression of esophageal cancer was endoscopically verified for its invasion into the muscularis mucosae after neoadjuvant chemotherapy for treatment of pancreatic cancer