Siglec-15 on Macrophages Suppress the Immune Microenvironment in Patients with PD-L1 Negative Non-Metastasis Lung Adenocarcinoma

Researchers collected samples of 135 non-small cell lung cancers and found that Siglec-15 and PD-L1 expression were independent in non-small cell lung cancer by multiple immunofluorescence staining.