Table 1.

Laboratory results at the first visit. Iron deficiency anemia (Hb 7.6 g/dl; MCV 70.7; and Fe 26 μg/dl) was observed, but biochemistry and tumors markers showed no abnormality

Peripheral blood		Chemistry
WBC	6400/µl	TP	7.0 mg/dl	Ca	8.8 mEq/l
RBC	379 × 104/µl	ALB	4.0 mg/dl	CRP	0.1 mg/dl
Hb	7.6 g/dl	T-Bil	0.3 mg/dl	Glu	93 md/dl
MCV	70.7	AST	18 IU/l	Ferritin	6.9 ng/ml
MCH	20.1	ALT	30 IU/l	Fe	26 µ/dl
PLT	53.5 × 104/µl	LDH	139 IU/l	Serology
Coagulation		γGTP	16 IU/l	HBsAg	(−)
PT/INR	1.09	BUN	19.0 mg/dl	HCVAb	(−)
APTT	33.3 s	Cr	0.85 mg/dl	CEA	1.0 ng/ml
		Na	141 mEq/l	CA19-9	2.0 ng/dl
		K	4.2 mEq/l	AFP	3.7 ng/ml
		Cl	103 mEq/l