Complete response to immune checkpoint inhibitor–combined chemotherapy in recurrent adenosquamous carcinoma of the gallbladder: a case report
Adenosquamous carcinoma of the gallbladder is a rare histologic subtype, accounting for approximately 1–5% of gallbladder cancers. It is considered to have an aggressive biological behavior and a poor prognosis because of its tendency for early recurrence. Although resection remains the only potentially curative...