Table 2.

Thoracentesis Findings.

<Biochemistry>				<Cell counts>
Total protein	5.8	g/dL		3,450 /µL
Albumin	1.6	g/dL		Neutrophil	3	%
Glucose	115	mg/dL		Lymphocyte	69	%
Lactate dehydrogenase	159	U/L		(consist of plasma cells)
Amylase	152	U/L		Histiocyte	9	%
Adenosine deaminase	85.0	U/L		Others	19	%
CA19-9	<0.6	U/mL
CEA	2.1	mg/mL
<Microbiology test>
Smear	negative
Culture	negative
PCR
Mycobacterium tuber culosis	negative
Mycobacterium avium	negative
Mycoba cterium intracellular	negative

CA19-9: carbohydrate antigen 19-9, CEA: carcinoembryonic antigen, PCR: polymerase chain reaction