Retrospective Study
Copyright ©The Author(s) 2020.
World J Gastroenterol. May 14, 2020; 26(18): 2232-2246
Published online May 14, 2020. doi: 10.3748/wjg.v26.i18.2232
Table 2 Clinicopathologic factors depending on the distance from the proximal resection margin in patients who underwent curative distal gastrectomy, n (%)
VariablesPRM (cm)
P value
≤ 1.0 (n = 17)1.1-3.0 (n = 170)3.1-5.0 (n = 287)> 5.0 (n = 385)
Age (yr)1 at operation59.7 ± 3.457.2 ± 1.058.2 ± 0.759.0 ± 0.60.416
Sex0.279
Male9 (52.9)116 (68.2)199 (69.3)279 (72.5)
Female8 (47.1)54 (31.8)88 (30.7)106 (27.5)
Tumor location< 0.001
Upper 1/31 (5.9)3 (1.8)3 (1.0)1 (0.3)
Middle 1/39 (52.9)74 (43.5)86 (30.0)56 (14.5)
Lower 1/37 (41.2)93 (54.7)198 (69.0)328 (85.2)
Reconstruction0.004
Billroth I12 (70.6)101 (59.4)218 (76.0)279 (72.5)
Billroth II3 (17.6)32 (18.8)38 (13.2)64 (16.6)
RYGJ2 (11.8)37 (21.8)31 (10.8)42 (10.9)
Borrmann type IV1 (5.9)6 (3.5)7 (2.4)9 (2.3)0.461
Tumor size (cm)16.5 ± 0.85.8 ± 0.25.3 ± 0.15.2 ± 0.10.004
T stage0.768
T25 (29.4)56 (32.9)89 (31.0)138 (35.8)
T37 (41.2)75 (44.1)123 (42.9)165 (42.9)
T45 (29.4)39 (22.9)75 (26.1)82 (21.3)
CLN126.6 ± 2.029.3 ± 0.829.4 ± 0.628.8 ± 0.50.612
N stage0.971
N05 (29.4)61 (35.9)101 (35.2)141 (36.6)
N12 (11.8)36 (21.2)63 (22.0)80 (20.8)
N24 (23.5)36 (21.2)55 (19.2)78 (20.3)
N36 (35.3)37 (21.8)68 (23.7)86 (22.3)
AJCC stage0.551
Stage I4 (23.5)31 (18.2)52 (18.1)68 (17.7)
Stage II3 (17.6)65 (38.2)108 (37.6)160 (41.6)
Stage III10 (58.8)74 (43.5)127 (44.3)157 (40.8)
Differentiation0.023
Differentiated4 (23.5)64 (37.6)105 (36.6)178 (46.2)
Undifferentiated13 (76.5)106 (62.4)182 (63.4)207 (53.8)
LVi8 (47.1)75 (44.1)142 (49.5)188 (48.8)0.706
PNi9 (52.9)80 (47.1)138 (48.1)141 (36.6)0.010
Recurrence4 (23.5)52 (30.6)69 (24.0)95 (24.7)0.765
Local recurrence1 (5.9)11 (6.5)24 (8.4)24 (6.2)0.727