Given previous clinical results, we found that PD‐L1 expression in tumor samples from patients with TNBC was markedly upregulated after treatment with DOX, which is of great value to patients with TNBC in enhancing the effects of immunotherapy.[9, 10, 11] However, the ordinal‐interval regime for chemoimmunotherapy has not yet been systematically investigated. Here, CD274 is linked to neoplasm.