Retrospective Cohort Study
Copyright ©The Author(s) 2021.
World J Gastroenterol. Dec 14, 2021; 27(46): 8010-8030
Published online Dec 14, 2021. doi: 10.3748/wjg.v27.i46.8010
Table 1 Patient characteristics

n
SNNS n = 239
Control n = 423
P value
AgeMedian (range)64 (28-85)67 (27-85)0.004
SexMale:Female157:82289:1340.491
LocationU:M:L35:130:7478:195:1500.116
CircumferenceLess:Ant:Gre:Post107:37:48:47201:78:72:720.492
Macroscopic typeElevated:Depressed62:177108:3150.926
Clinical T status (cT)1a:1b:2100:111:28171:192:600.678
Clinical N status (cN)0:1:2-3239:0:0423:0:01.000
Pathological diagnosisDF:UDF130:109289:134< 0.001
Sentinel node mappingBD:RI:CM:ICG:None39:6:135:59:02:1:13:21:386< 0.001
Surgical procedureTG:DG:PG:PPG; SG:MDG:MPG:LR3:41:24:10; 84:33:6:3823:263:51:62; 8:4:1:11< 0.001
Nodal dissectionD0:D1(1 +):D2174:42:2345:191:187< 0.001
Long axis (mm)Median (range)22 (2-65)25 (4-87)0.265
Pathological T (pT)1a:1b:2:3-4129:92:10:8218:145:39:210.065
Pathological N (pN)0:1:2-3214:13:12379:34:100.072
Recurrent cases18
Table 2 List of 25 patients of lymph node metastasis in the sentinel node navigation surgery group
No.
LOC
MAC
LA
cT
cN
sN
MP
LB
INDSN
OP
D
PD
pT
MS
NS
MLB
MOB
NNS
MRSC
PROG1
1M0 IIa + IIc201b00ICGl-GATPDG2tub2sm2#3 #74#7-182.3Alive
2M0 IIc251b00CMl-GATPDG2por1sm2#31--071.4Alive
3U0 IIc251b00ICGl-GATPPG1 +tub2mp#1 #32#1-156.1Trauma
4M0 IIa + IIc40200ICGl-GATPDG2tub2ss#31--063.7Alive
5M0 IIc + IIb401b00ICGl-GATPDG2tub2mp#31--080.4Alive
6U0 IIc451b00CMl-GATPPG1 +sigm#1 #72--069.2Alive
7L0 IIc + IIb45201CMl-GATPDG2por2ss#32#3-167.7Alive
8L0 IIc + III40202ICGr-GEATPDG2tub2mp#4d2#4d #6#7572.1Alive
9L0 IIa55201ICGl-GA, r-GATPDG1 +tub1sm1#51--067.7Alive
10L0 IIa + IIc201b00ICGl-GA, r-GEATPDG2tub2sm2#3 #4d #64#6-162.0Alive
11M0 IIc + III25200BDl-GA, r-GEATPDG2por2ss#4d2--0120.0Alive
12M0 IIa + IIc251b00ICGl-GA, r-GEATPDG1 +tub2sm2#3 #7 #4d4--059.5CVD
13M0 I321b00CMl-GA, r-GEATPTG2tub2sm2#3 #4d5--064.7Alive
14M0 IIc + IIb371b00CMl-GA, r-GEATPDG2por2m#33--061.9Alive
15M0 I551a00ICGl-GA, r-GEATPDG2por2mp#4d1#3 #4d-469.8Alive
16M0 IIc + III30201BDl-GA, r-GEATPDG2por2se#1 #3 #4d3#4d-253.2LNR
17U0 IIa + IIc111a00CMl-GA, l-GEA, p-GATPPG1 +por1sm2#11d1#7-184.3Alive
18U0 IIc331b00CMl-GA, l-GEA, p-GATPPG1 +tub2mp#11--062.9Alive
19U0 IIc55200CMl-GA, r-GEA, r-GEATPTG2por2sm2#1 #3 #4d #104#1-165.2Alive
20M0 IIc40200ICGl-GA, r-GA, r-GEATPDG1+tub2sm1#31--089.6Alive
21L0 IIa + IIc241b02CMl-GA, r-GA, r-GEATPDG2por1sm2#8a1#3-172.6Alive
22M0 IIc201b00ICGl-GA, r-GEAFN (FD)SG0por2sm2(#4d)1#4d-161.2Alive
23M0 IIc + III23200CMl-GA, r-GEAFN (FD)SG0tub2mp(#3)1#3-275.8PK
24L0 IIc451b00RIl-GA, r-GA, r-GEAFN (FD)DG2por2m(#5)1--066.8Alive
25L0 I251b01CMl-GA, r-GA, r-GEAFN (LM)DG2tub2sm2-0#4d-163.6Alive
Table 3 Profiles of metachronous multiple remnant gastric cancer patients
No.
Group
ISP
Treatment
MTMC
Curability1
MRSC
PROG2
1SNNSSGDG50.5Curative75.6Pneumonia
2SNNSSGESD60.2Curative114.9Alive
3SNNSSGESD22.9Curative79.9Alive
4SNNSMPGESD13.6Curative76.3Alive
5SNNSLRESD30.7Curative73.1Alive
6SNNSDGTG43.6Curative62.9Alive
7ControlDGTG19.5Curative63.6Alive
8ControlDGTG17.2Curative97.4Alive
9ControlDGESD44.3Curative55.5AID
10ControlDGESD220.4Curative240.0Alive
11ControlDGESD40.6Curative120.0Alive
12ControlPGUR74.3UR120.0Alive
13ControlPGTG76.8Curative120.0Alive
14ControlPGESD18.5Curative120.0Alive
15ControlPGESD28.2Curative120.0Alive
16ControlPPGTG50.8Curative120.0Alive
17ControlPPGDG85.0Curative116.2Alive
18ControlPPGESD77.1Curative118.5Alive
19ControlPPGESD22.0Curative98.2Alive
20ControlLRDG7.6Cure42.8CVD
21ControlLRESD64.2Cure85.7Alive
Table 4 Univariate and multivariate analysis for the factors affected to the overall survival
FactorsvsUnivariate1 (Log-rank P)Multivariate2
Hazard ratio
95%CI
P value
Age< 0.00011.0921.064-1.120< 0.0001
SexMale:Female0.00091.8151.099-2.9980.0199
Location0.0978
Circumference0.301
Macroscopic typeElevated:Depressed< 0.00011.6781.131-2.4900.0101
Clinical T status0.632
Pathological typeDiff.:Undiff.0.0001
Long axis (mm)< 000010.98150.965-0.9980.0287
Pathological N status0.00331.7851.288-2.4730.0005
SNNSSNNS:Control0.00140.48920.298-0.8020.0046
Table 5 Multivariate analysis for the factors affected to the cumulative incidence of causes of death or recurrences
Factors
Non-cancer deaths
Other cancers
Gastric cancer recurrence
HR
95%CI
P value
HR
95%CI
P value
HR
95%CI
P value
Age1.1011.064-1.140< 0.00011.0641.026-1.1030.00080.9920.894-1.1010.88
Sex1.5330.823-2.8550.182.1260.863-5.2390.13.2130.592-17.430.18
Location1.2590.890-1.7820.190.96360.637-1.4570.861.4720.482-4.5020.5
Circumference1.0370.798-1.3490.781.1840.875-1.6020.271.9430.732-5.1580.18
Macroscopic type1.3030.752-2.2560.352.3221.241-4.3460.00841.0830.136-8.6360.94
Clinical T status0.90530.584-1.4030.660.85870.481-1.5350.611.5420.662-3.5950.32
Pathological type1.5090.762-2.9900.240.59080.211-1.6570.321.270.165-9.7860.82
Long axis0.98020.958-1.0030.0860.98740.958-1.0170.40.94680.867-1.0340.22
Pathological N status1.2630.683-2.3370.461.3530.751-2.4400.315.2522.043-13.500.00058
SNNS0.44380.230-0.8550.0150.72240.338-1.5420.40.18590.030-1.1660.072
Table 6 Patient characteristics after propensity score matching

n
m-SNNS n = 231
m-control n = 231
P value
AgeMedian (range)64 (29-85)64 (27-85)0.473
SexMale:Female152:79147:840.697
LocationU:M:L34:125:7237:119:750.843
CircumferenceLess:Ant:Gre:Post106:37:45:43103:40:46:420.980
Macroscopic typeElevated:Depressed57:17457:1741.000
Clinical T status (cT)1a:1b:298:105:2888:108:350.528
Clinical N status (cN)0:1:2-3231:0:0231:0:01.000
Pathological diagnosisDF:UDF130:101126:1050.779
Long axis (mm)Median (range)23 (2-65)25 (4-87)0.547
Sentinel node mappingBD:RI:CM:ICG:None38:5:132:56:01:1:8:15:206< 0.001
Surgical procedureTG:DG:PG:PPG; SG:MDG:MPG:LR3:40:23:10; 80:31:6:3714:147:25:32; 4:4:0:5< 0.001
Nodal dissectionD0:D1(1+):D2169:39:2323:97:111< 0.001
Pathological T (pT)1a:1b:2:3-4125:89:10:7126:72:20:130.075
Pathological N (pN)0:1:2-3206:13:12213:13:50.251
Recurrent cases13