Delayed diagnosis of ascending colon mucinous adenocarcinoma with local abscess as primary manifestation: Report of three cases

Table 1 Partial laboratory examinations of the three cases

	Case 1	Case 2	Case 3	Reference range
WBC (109 /L)	5.92	4.20	9.56	3.5-9.5
RBC (1012 /L)	2.56	4.22	5.20	3.8-5.1
HGB (g/L)	60.00	122.38	126.25	Female: 115-150; Male: 125-175
ESR (mm/h)	13.38	2.00	10.22	< 43
CRP (mg/L)	10.01	4.20	9.80	0.068-8.2
CEA (µg/L)	8.47	5.42	21.87	no smoking: < 3.0smoking: < 5.0
CA199 (U/mL)	98.80	16.30	134.80	< 35

WBC: White blood cells; RBC: Red blood cells; HGB: Hemoglobin; ESR: Erythrocyte sedimentation rate; CRP: C-reactive protein; CEA: Carcino-embryonic antigen; CA199: Carbohydrate antigen-199.