Table 1. Laboratory Findings of the Patient.

Laboratory analysis		Result	Unit	Reference values	Laboratory analysis		Result	Unit	Reference values
Infection					Malignancy
	Lymphocytes	21.5	%	19–48		CEA	0.55	ng/mL	0–5
	monocytes	5.4	%	3.4–9		CA 19-9	4.8	U/mL	0–35
	CRP	0.1	mg/dL	0–0.5		CA 15-3	3.8	U/mL	0–31.3
	Anti-CMV IgM Antibody	5.8, negative	Index			CA 125	4.3	U/mL	0–35
	Anti-CMV IgG Antibody	66.1, positive	U/mL
	Epstein-Barr VCA IgM	<10.0, negative	Index
	Epstein-Barr VCA IgG	44.6, positive	U/mL		Autoimmune
	EBNA IgG	75.2, positive	U/mL			Lupus anticoagulant	Negative		Negative
	Anti-SARS-CoV-2 IgG antibody	Positive	Index			Protein C activity	90	%	70–130
	HSV IgG	Negative (<0.5)	Index			Protein S activity	83	%	65–140
	HSV IgM	Negative (0.6)	Index			Complement C3	106	mg/dL	90–180
	Anti-HIV	Negative	Index			Complement C4	26	mg/dL	10–40
	RPR-VDRL	<0.1	R.U	0–0.9		Anti-B2 Glycoprotein Ab (IgM)	Negative (<1.1)	Index
	HBs Ag	Negative				Anti-B2 Glycoprotein Ab (IgG)	Negative (<6.4)	Index
	Anti-HBs	Negative (<3.10)				Antinuclear Ab(quan)	Negative (<1:40)
	Anti-HCV	Negative (<0.02)				Anti-DNA(quan)	Negative (<1:40)
	Anti-HAV(IgM)	Negative
	Anti-HAV(IgG)	Positive
	Toxoplasma Ab IgG	Negative (<3.0)	Index		PBS
	Toxoplasma Ab IgM	Negative (<3.0)	Index			No specific abnormal findings
	Cryptococcus	Negative

Ag, antigen; CA, cancer antigen; CEA, carcinoembryonic antigen; CMV, cytomegalovirus; CRP, C-reactive protein; DNA, deoxyribonucleic acid; EBNA, Epstein-Barr virus nuclear antigen; HAV, hepatitis A virus; HBs Ag, hepatitis B virus surface antigen; HCV, hepatitis C virus; HIV, human immunodeficiency virus; HSV, herpes simplex virus; IgM, immunoglobulin M; IgG, immunoglobulin G; PBS, peripheral blood smear; R.U, RPR Unit; quan, quantitative; RPR-VDRL, rapid plasma reagin venereal disease research laboratory; SARS-CoV-2, severe acute respiratory syndrome coronavirus 2.