Effective treatment of gallbladder neuroendocrine carcinoma with nivolumab

Abstract

Key clinical message An 89‐year‐old patient with gallbladder neuroendocrine neoplasms (GB‐NENs) and lung cancer metastasis underwent nivolumab monotherapy, resulting in tumor shrinkage. Surgery and adjuvant nivolumab showed efficiency despite low expression of PD‐L1.

Keywords

• EUS‐FNA
• gallbladder NEC
• immune checkpoint inhibitors