Concurrent adjuvant chemotherapy was administered to 7 patients, with the median 2.0 cycles (range: 1–3), among whom one R1-resected case received consolidative radiotherapy after chemotherapy, and one R2-resected patient with a high PD-L1 tumor proportion score of 95% received PD-1 inhibitor monotherapy but subsequently required salvage chemoimmunotherapy and radiotherapy upon recurrence. The gene discussed is CD274; the disease is neoplasm.