Durable complete response to sintilimab plus chemotherapy in gallbladder cancer with extensive metastasis: A case report

Figure 2 Preoperative and postoperative imaging examinations and primary tumor pathological staining results. A: Preoperative contrast-enhanced computer tomography (October 22, 2019) shows a soft tissue mass (arrow) in the gallbladder suggestive of gallbladder cancer; B: Hematoxylin and eosin staining of the primary tumor (× 100); C: Hematoxylin and eosin staining of the primary tumor (× 200); D: Postoperative contrast-enhanced magnetic resonance imaging (November 19, 2019) following radical gallbladder resection reveals no evidence of tumor recurrence.