Classification of right hepatectomy for special localized malignant tumor in right liver lobe

Table 1 Grouping of 91 cases of right hepatectomies

Tumor position	Cases (%)	Total (%)
MTR
LSP Group 1 Tumors within right	14/91 (15.4)
	posterior lobe and (or)
	right caudate lobe
	compressing right
	portal hilum
Group 2 Massive tumors	11/91 (12.09)	43/91 (47.25)
	within right liver lobe
	compressing the inferior
	vena cava and (or)
	hepatic veins
	Hepato-renal infiltrating	7/91 (7.7)
	transverse colon
	Recess infiltrating right	4/91 (4.4)
	adrenal gland
Group 3 Tumors infiltrating	3/91 (3.3)
	diaphragmatic muscle
Group 4 Tumors in the	1/91 (1.1)
	infiltrating right
	fatty renal capsule
Group 5 Tumors deeply located	3/91 (3.3)
	near vertebral body
	control
Group 6 Tumors in other places	48/91 (52.75)

Table 2 THHC in groups 1-6 (mean±SE)

Group	1	2	3	4	5	6
THHC (min)	31.00±3.53	36.72±2.41	31.42±4.56	29.75±2.53	17±2.51	19.148±1.27
P values	0.001a	0.000a	0.013a	0.028a	0.998	-

^aP<0.05 vs control.

Table 3 IBL in groups 1-6 (mean±SE)

Group	1	2	3	4	5	6
IBL (mL)	642.85±132.89	1054.54±200.16	1085.71±310.47	850.00±185.16	483.33±60.09	257.40±29.44
P values	0.033a	0.005a	0.046a	0.011a	0.285	-

^aP<0.05 vs control.

Table 4 TMCSA in groups 1-6 (mean±SE)

Group	1	2	3	4	5	6
TMCSA (cm2)	20.61±4.67	84.95±11.76	56.38±12.50	46.87±5.59	51.88±40.2	22.77±3.67
P values	0.683	0.003a	0.028a	0.012a	0.593

^aP<0.05 vs control.

Table 5 IBL/TMCSA in groups 1-6 (mean±SE)

Group	1	2	3	4	5	6
IBL/TMCSA (mL/cm2)	38.14±9.91	14.81±2.79	22.85±6.76	17.13±2.61	34.33±20.98	13.42±2.24
P values	0.003a	1.000	0.788	0.994	0.387

^aP<0.05 vs control.

Table 6 Blood transfusion and incidence of postoperative complications in groups 1-6 (%)

Group	1	2	3	4	5	6
Blood transfusion	35.71	45.45	42.86	37.5	0	0
Incidence of postoperative complications	14.29	36.36	71.43	37.5	0	0