Objective To investigate the expression and significance of TREM-1 、 CRP in different types of pleural effusion.Methods The samples of pleural effusion were collected from the outpatient and hospitalized patients in our hospital.The level of sTREM-1 、 CRP in pleural effusion and serum were detected,the expression of pleural effusion cell membrane TREM-1 mRNA was detected.The different levels of sTREM-1 and CRP between various types of pleural effusion were statistically analyzed.Results(1) TREM-1 detection:...