Micrometastasis in surrounding liver and the minimal length of resection margin of primary liver cancer

Table 1 Perioperative data of 196 cases of primary liver cancer

	Retrospective group		Prospective group
	Without Mtor Ms	Total	Without Mtor Ms	With Mtor Ms
Cases	120	76	58	18
Age (yr)	49.6 ± 11.5	50.8 ± 11.4	52.4 ± 11.0	45.4 ± 11.2
	(30-81)	(24-78)	(31-78)	(24-65)
Sex (male/female)	100/20	63/13	47/11	16/2
TBIL (μmol/L)		12.8 ± 4.9	13.1 ± 4.5	11.9 ± 5.8
PALB (mg/L)		219 ± 59	222 ± 59	208 ± 58
PT (s)		12.5 ± 1.1	12.5 ± 1.0	12.6 ± 1.2
HBsAg (+)	98 (81.7%)	65 (85.5%)	49 (84.5%)	16 (88.9%)
Liver cirrhosis or fibrosis	103 (85.8%)	76 (100%)	58 (100%)	18 (100%)
Size of tumor (mm)	58.4 ± 42.6	54.9 ± 35.2	43.4 ± 23.9	92.0 ± 40.6
Tumor volume (cm3)		107 ± 203	54 ± 111	275 ± 320

Mt: macroscopic tumor thrombus; Ms: macrosatellite. TBIL: total bilirubin; PALB: pre-albumin; PT: prothrombin time.