Fig. 2

Six months after initiation of chemotherapy. a Computed tomography revealed the stent placed in the primary lesion, but shows no noticeable thickening of the surrounding walls. b–d Computed tomography showed extreme shrinkage of the patient’s peritoneal metastases (arrowhead). e Endoscopy found the growth of granulation in the stent lumen. Biopsy revealed no malignant findings. f The staging laparoscopy did not identify the metastatic nodules that were previously observed in the omentum