case_images: PMC8075353_01
case_images: Representative postoperative pathological images of gallbladder mass (hematoxylin and eosin stain).
case_images: OTT-14-2815-g0001.jpg
case_images: PMC8075353_01_OTT-14-2815-g0001.jpg
case_images: f0001
case_images: Postoperative pathological diagnosis confirmed moderately differentiated adenocarcinoma from the gallbladder (Figure 1), invading the whole layer, involving peripheral fibrofatty tissue and liver parenchyma, with immunohistochemistry (IHC) staining of CK7 (+), CK19 (+), MOC-31 (small partly +), CEA (+), SATB-2 (-), CDX-2 (small partly +) and MIB-1 (+, about 20%).
case_images: CT images of peritoneal metastasis before and after Olaparib treatment (white arrows: peritoneal metastases).
case_images: OTT-14-2815-g0002.jpg
case_images: PMC8075353_01_OTT-14-2815-g0002.jpg
case_images: f0002
case_images: About three months after Olaparib administration, a CT scan revealed significant shrinkage of the peritoneal nodules (Figure 2), with the largest diameter decreasing from 1.58 cm to 0.98 cm, which indicated a partial response (PR) according to the Response Evaluation Criteria in Solid Tumors (RECIST) 1.1.