Surgical Outcomes and Clinicopathological Characteristics of Patients Who Underwent Potentially Noncurative Endoscopic Resection for Gastric Cancer: A Report of a Single-Center Experience
Table 2
Results of univariate analyses showing relationships among clinicopathological characteristics of specimens.
Variables
Lymph node metastasis
Remnant of primary tumor
Subject
value
Subject
value
Total
4/41 (9.8%)
6/41 (14.6%)
Sex
0.729
0.386
Male
4/38 (10.5%)
5/38 (13.2%)
Female
0/3
1/3 (33.3%)
Age (years)
0.488
0.566
≤70
3/25 (12.0%)
4/25 (16.0%)
>70
1/16 (6.3%)
2/16 (12.5%)
Endoscopic treatment
0.355
0.015*
Mucosal resection
0/9
4/9 (44.4%)
Submucosal dissection
4/32 (12.5%)
2/32 (6.3%)
Tumor size (mm)
0.445
0.488
≤20
3/24 (12.5%)
3/24 (12.5%)
>20
1/17 (5.9%)
3/17 (17.6%)
Depth of tumor invasion†
0.404
0.077
pT1a–1b1
0/8
3/8 (37.5%)
pT1b2
4/33 (12.1%)
3/33 (9.1%)
Macrotype
0.156
0.566
Elevated
3/16 (18.8%)
2/16 (12.5%)
Depressed
1/25 (4.0%)
4/25 (16.0%)
Intratumoral ulceration or ulcer scar
0.582
0.852
No
4/36 (11.1%)
5/36 (13.9%)
Yes
0/5
1/5 (20.0%)
Main histologic type‡
0.517
0.639
Differentiated
4/35 (11.4%)
5/35 (14.3%)
Undifferentiated
0/6
1/6 (16.7%)
Undifferentiated component‡
0.578
0.672
No
3/27 (11.1%)
4/27 (14.8%)
Yes
1/14 (7.1%)
2/14 (14.3%)
Lymphatic invasion
0.284
0.307
L0
1/21 (4.8%)
2/21 (9.5%)
L1
3/20 (15.0%)
4/20 (20.0%)
Venous invasion
0.030*
0.157
V0
0/23
5/23 (21.7%)
V1
4/18 (22.2%)
1/18 (5.6%)
Horizontal margin†
0.582
0.001**
HM0 or HMX
4/37 (10.8%)
3/37 (8.1%)
HM1
0/4
3/4 (75.0%)
Vertical margin†
0.047*
0.228
VM0 or VMX
2/27 (7.4%)
2/27 (7.4%)
VM1
2/14 (14.3%)
4/14 (28.6%)
, **. †According to the third English edition of the Japanese Classification of Gastric Carcinoma. ‡Differentiated: well-differentiated adenocarcinoma, moderately differentiated adenocarcinoma, or papillary adenocarcinoma; undifferentiated: poorly differentiated adenocarcinoma, signet-ring cell adenocarcinoma, or mucinous adenocarcinoma.
