Segmental gastrectomy with radical lymph node dissection for early gastric cancer

Table 1 Comparison of clinicopathological characteristics between the 2 groups

	SG (n = 14)	DG (n = 18)	P
Age (yr, mean ± SD)	63.9 ± 9.6	60.0 ± 12.9	0.204
Sex (M/F)	9/5	7/11	0.154
Location of tumor			0.002
Upper	0	0
Middle	13	7
Lower third of the stomach	1	11
Depth of invasion			0.589
Mucosa	4	8
Submucosa	8	9
Muscularis propria	1	1
Subserosa	1	0
Histological type
Differentiated	10	11	0.358
Undifferentiated	4	7
Lymph node metastasis			0.401
No	12	17
Yes	2	1

SG: Segmental gastrectomy; DG: Distal gastrectomy.

Table 2 Operative results (mean ± SD)

	SG (n = 14)	DG (n = 18)	P
Operating time (min)	273 ± 65	262 ± 46	0.589
Blood loss (mL)	206 ± 124	179 ± 101	0.511
Hospital stay (d)	14.9 ± 2.6	16.7 ± 5.0	0.227
Complications	0	5	0.032
Wound infection	0	0
Anastomotic leakage	0	0
Hemorrhage	0	0
Cholecystitis	0	2
Pancreatitis	0	1
Pancreatic fistula	0	1
Adhesive ileus	0	1
Operative death	0	0	1.000

SG: Segmental gastrectomy; DG: Distal gastrectomy.

Table 3 Numbers of dissected lymph nodes according to each station (mean ± SD)

Lymph node station	SG (n = 14)	DG (n = 18)	P
Right paracardial (1)	2.0 ± 1.3	3.1 ± 1.2	0.068
Left paracardial (2)	1.1 ± 1.5	0.7 ± 1.6	0.462
Along the lesser curvature (3)	8.7 ± 4.7	10.8 ± 7.3	0.362
Along the LGEA (4sb)	1.2 ± 2.1	1.4 ± 1.9	0.754
Along the RGEA (4d)	9.2 ± 4.9	11.7 ± 4.9	0.155
Suprapyloric (5)	0.3 ± 0.6	0.6 ± 0.9	0.286
Infrapyloric (6)	3.7 ± 3.7	5.6 ± 2.6	0.118
Along the LGA (7)	3.7 ± 2.4	4.3 ± 2.7	0.473
Along the CHA (8)	2.7 ± 1.2	3.3 ± 1.5	0.232
Along the celiac axis (9)	2.8 ± 1.6	3.3 ± 2.0	0.442
Along the proximal SA (11p)	1.5 ± 1.5	2.0 ± 1.7	0.412
Along the PHA (12a)	0.5 ± 1.0	0.2 ± 0.5	0.246
Along the SMV (14v)	-	1.2 ± 2.1	-

SG: Segmental gastrectomy; DG: Distal gastrectomy; LGEA: Left gastroepiploic artery; RGEA: Right gastroepiploic artery; LGA: Left gastric artery; CHA: Common hepatic artery; SA: Splenic artery; PHA: Proper hepatic artery; SMV: Superior mesenteric vein.

Table 4 Postoperative course (mean ± SD)

	SG (n = 14)	DG (n = 18)	P
Gastric stasis	0	0	1.000
Dumping syndrome	1	1	0.854
Body weight change ratio (%)	96.8 ± 6.1	90.4 ± 7.0	0.012
Laboratory data
Lymphocytes (/mm3)	2007 ± 437	1977 ± 646	0.885
Total protein (g/dL)	6.8 ± 0.3	7.0 ± 0.3	0.156
Total cholesterol (mg/dL)	215 ± 34	192 ± 32	0.063
Endoscopic examination
Reflux gastritis	1	5	0.138
Reflux esophagitis	0	4	0.059

SG: Segmental gastrectomy; DG: Distal gastrectomy.