Wang, Y., Zheng, S., Chen, Y., Yu, W., Gao, Y., Zhu, Y., Sun, P., Kang, W. (2026). Sintilimab in combination with cetuximab and chemotherapy as first-line treatment for microsatellite stable/pMMR and RAS/BRAF wild-type metastatic colorectal cancer (CALLIOPSIS): An open-label, non-comparative, phase Ib/II dose escalation and expansion trial.. Journal of Clinical Oncology. https://doi.org/10.1200/jco.2026.44.16_suppl.e15537