CD274 and neoplasm: While we did not observe an increase in expression of specific CXCL9+ cell markers, which was previously reported [28] after anti-PD-L1-CRT (Fig. 3f), we did observe double-positive macrophages/DCs, a characteristic feature of CXCL9+ cells localized around the tumour after anti-PD-L1-CRT (Fig. 3f).