Aim To investigate the immune function and clinical value of concurrent chemoradiotherapy combined with lentinan injection in treatment of advanced non-small cell lung cancer.Methods From December 2008 to December 2010,90 patients with advanced non-small cell lung cancer were enrolled and randomly divided into treatment group(45 cases) combined concurrent chemoradiotherapy with lentinan and control group concurrent chemoradiotherapy alone(45 cases).T lymphocyte subsets,Karnofsky(KS) score and clinical benef...