Long-term survival of patients with stage II and III gastric cancer who underwent gastrectomy with inadequate nodal assessment

doi:10.4240/wjgs.v13.i11.1463

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World Journal of Gastrointestinal Surgery

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1948-9366

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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Observational Study

World J Gastrointest Surg. Nov 27, 2021; 13(11): 1463-1483
Published online Nov 27, 2021. doi: 10.4240/wjgs.v13.i11.1463

Table 2 Sample characteristics by the number of retrieved lymph nodes, n (%)

Characteristic	ILA	ALA	OLA	P value
Characteristic	n = 5806	n = 4085	n = 1716	P value
Year of diagnosis				< 0.001
2004-2006	1861 (32)	947 (23)	334 (20)
2007-2009	1563 (27)	1071 (26)	394 (23)
2010-2012	1299 (22)	1080 (27)	471 (27)
2013-2015	1083 (19)	987 (19)	517 (30)
Age at diagnosis (yr)				< 0.001
Median (range)	71 (12-99)	68 (14-98)	65 (18-93)
Sex				0.218
Male	3365 (58)	2318 857)	1014 (59)
Female	2441 (42)	1767 (43)	702 (41)
Race				< 0.001
White	3695 (64)	2377 (58)	973 (57)
Black	1061 (18)	747 (18)	268 (15)
Asian/Pacific	1050 (18)	961 (24)	475 (28)
Marital status				< 0.001
Single/divorced	1261 (22)	900 (22)	378 (22)
Married	3282 (57)	2439 (60)	1084 (63)
Widowed	1059 (18)	595 (15)	183 (11)
NA	204 (3)	151 (4)	71 (4)
Insurance status				< 0.001
Insured	3721 (64)	2998 (73)	68 (4)
Uninsured	224 (4)	140 (4)	1314 (77)
NA	1861 (32)	924 (23)	334 (20)
Primary site				< 0.001
Fundus/body	835 (14)	696 (17)	335 (19)
Antrum/pylorus	2562 (44)	1511 (37)	553 (32)
Overlapping lesion	549 (10)	515 (13)	235 (14)
Stomach, NOS	1860 (32)	1363 (33)	593 (35)
Tumor size (cm)				< 0.001
≤ 5	2977 (51)	1808 (44)	646 (38)
5.1-10	1906 (33)	1573 (39)	724 (42)
≥ 10.1	438 (8)	448 (11)	249 (15)
NA	485 (8)	256 (6)	97 (6)
Hystology				< 0.001
ADC, NOS	2426 (42)	1517 (37)	538 (31)
Signet ring cell carcinoma	1248 (22)	997 (24)	481 (28)
ADC, instestinal type	928 (16)	702 (17)	313 (18)
Carcinoma, diffuse type	422 (7)	360 (9)	176 (10)
ADC with mixed subtypes	170 (3)	166 (4)	88 (5)
Other	612 (10)	343 (9)	120 (7)
Grade				< 0.001
Well/moderately differentiated	1493 (26)	862 (21)	319 (19)
Poorly/undifferentiated	4072 (70)	3106 (76)	1346 (78)
NA	241 (4)	117 (3)	51 (3)
T stage, 8^thed.				< 0.001
T1	111 (2)	131 (3)	48 (3)
T2	490 (8)	321 (8)	132 (8)
T3	2877 (50)	1897 (47)	795 (46)
T4a	1658 (29)	1321 (32)	572 (33)
T4b	670 (11)	415 (10)	169 (10)
N stage, 8^th ed.				< 0.001
N0	1810 (31)	794 (19)	259 (15)
N1	1528 (26)	671 (16)	223 (13)
N2	1517 (26)	900 (22)	340 (20)
N3a	951 (16)	1167 (29)	380 (22)
N3b	0	553 (14)	514 (30)
Stage, 8^th ed.				< 0.001
IIA	1557 (27)	775 (19)	253 (15)
IIB	1293 (22)	621 (15)	215 (13)
IIIA	1754 (30)	942 (23)	353 (20)
IIIB	1055 (18)	1091 (27)	365 (21)
IIIC	147 (3)	656 (16)	530 (31)
Chemotherapy				< 0.001
Yes	2814 (48)	2490 (61)	1169 (68)
No	2992 (52)	1595 (39)	547 (32)
Neoadjuvant chemotherapy				< 0.001
Yes	408 (7)	536 (13)	311 (18)
No	5398 (93)	3549 (87)	1405 (82)
Radiotherapy				< 0.001
Yes	1993 (34)	1630 (40)	662 (39)
No	3813 (66)	2455 (60)	1054 (61)
Type of surgery				< 0.001
Partial gastrectomy	4623 (80)	2742 (67)	955 (56)
Total gastrectomy	1183 (20)	1343 (33)	761 (44)

ADC: Adenocarcinoma; NA: Not available; NOS: Not otherwise specified.

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Citation: Desiderio J, Sagnotta A, Terrenato I, Garofoli E, Mosillo C, Trastulli S, Arteritano F, Tozzi F, D'Andrea V, Fong Y, Woo Y, Bracarda S, Parisi A. Long-term survival of patients with stage II and III gastric cancer who underwent gastrectomy with inadequate nodal assessment. World J Gastrointest Surg 2021; 13(11): 1463-1483
URL: https://www.wjgnet.com/1948-9366/full/v13/i11/1463.htm
DOI: https://dx.doi.org/10.4240/wjgs.v13.i11.1463

Desiderio J, Sagnotta A, Terrenato I, Garofoli E, Mosillo C, Trastulli S, Arteritano F, Tozzi F, D'Andrea V, Fong Y, Woo Y, Bracarda S, Parisi A. Long-term survival of patients with stage II and III gastric cancer who underwent gastrectomy with inadequate nodal assessment. World J Gastrointest Surg 2021; 13(11): 1463-1483 [PMID: 34950434 DOI: 10.4240/wjgs.v13.i11.1463]

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