The pleural effusion parameters were as follows: protein: 40.6 g/L, lactic dehydrogenase (LDH): 121 IU/L, WBC count: 920/μl with 70 % lymphocytes, RBC count: 2500/μl, adenosine deaminase (ADA): 121 IU/L, and glucose: 7.83 mmol/L (measured on June 4 (day 2)). This evidence concerns the gene ADA and Pleural effusion.