Khasawneh, B., Esmail, A., Hamadneh, Y., Al-Najjar, E., Mustafa, N. M., Abdelrahim, M. (2026). First-line immunotherapy plus gemcitabine–cisplatin versus chemotherapy alone in advanced cholangiocarcinoma: A meta-analysis.. Journal of Clinical Oncology. https://doi.org/10.1200/jco.2026.44.2_suppl.573