Sintilimab in Combination with Chemotherapy ± Local Treatment for Om-G/GEJ

"Treatment Regimens~①Chemotherapy: Regimen follows guideline-recommended first-line therapy for advanced gastric cancer.~②Sintilimab (200 mg) is administered with chemotherapy every 21 days. Maintenance immunotherapy continues for up to 1 year after chemotherapy.~③Local Treatment: Performed during cycles 3-8 of immunochemotherapy. Radiotherapy is preferred, using a combination of high- and low-dose fractionation, tailored to tumor location, size, and proximity to critical organs.~Alternative local treatments, such as radiofrequency ablation or surgery, may be used if suitable."

"Treatment Regimens ①Chemotherapy: Regimen follows guideline-recommended first-line therapy for advanced gastric cancer.~②Sintilimab (200 mg) is administered with chemotherapy every 21 days. Maintenance immunotherapy continues for up to 1 year after chemotherapy."