The expression pattern of CXCL16-CXCR6 and CXCL12-CXCR4 in different pathological types of lung cancer.

According to the immunostaining intensity score and the percentage of positive cells, the results of immunochemistry analysis were classified as follows: <2, negative expression; 2–3, weak expression; 4–5, moderate expression, and 6–7 as strong expression. AC: adenocarcinomas; SC: squamous carcinomas; ASC: adenosquamous carcinomas; BC: bronchoalveolar carcinoma.