PD-L1 for gallbladder cancer: case report.

The clinical outcome of the advanced biliary tract cancer (BTC) is unfavorable, and the mortality rate is high. With local advance and metastasis, the median survival time is less than 1 year. But this patient survived 14 months with no signs of progress under treatment in our hospital. And the patient situation is stable recently. This case report can provide a treatment template for clinicians. This patient was appeared dull pain in the upper abdomen, occasionally poor defaecating. After a series of medical tests, the patient was diagnosed with advanced gallbladder cancer (GBC). This patient received chemotherapy (oxaliplatin 220 mg d1 + capecitabine 1,500 mg bid d1-14; capecitabine 1,500 mg bid d1-14; gemcitabine 1.4 g d1, 8 + capecitabine 1,500 mg bid d1-14) combined with immunotherapy (pembrolizumab 200 mg). The patient is still alive.. And there were no signs of progress. The researches on the treatment of GBC are rare, and only standard first-line treatment, lack of second-line treatment of GBC. This patient of advanced GBC received standard first-line treatment (oxaliplatin 220 mg d1 + capecitabine 1,500 mg bid d1-14; capecitabine 1,500 mg bid d1-14; gemcitabine 1.4 g d1, 8 + capecitabine 1,500 mg bid d1-14) combined with immunotherapy (pembrolizumab 200 mg), the effect is fine and is expected to contribute to the treatment of BTC.