Surgical Outcomes and Clinicopathological Characteristics of Patients Who Underwent Potentially Noncurative Endoscopic Resection for Gastric Cancer: A Report of a Single-Center Experience
Table 1
Clinicopathological findings of patients ().
Variables
Number of subjects (%)
Sex
Male
38 (92.7)
Female
3 (7.3)
Endoscopic treatment
Mucosal resection
9 (22.0)
Submucosal dissection
32 (78.0)
Surgical indication
Submucosal tumor invasion
37 (90.2)
Lymphatic or venous invasion
27 (65.9)
Undifferentiated component†
24 (58.5)
Horizontal margin involvement
4 (9.8)
Vertical margin involvement
14 (34.1)
Surgical approach
Laparoscopy
34 (82.9)
Hand assistance
4 (9.8)
Open laparotomy
3 (7.3)
Extent of gastrectomy
Partial
5 (12.2)
Proximal
9 (22.0)
Distal
20 (48.8)
Total
7 (17.1)
Remnant of primary tumor (surgical specimen)
No
35 (85.4)
Yes
6 (14.6)
Depth of tumor invasion‡
pT1a
4 (9.8)
pT1b1
4 (9.8)
pT1b2
33 (80.5)
Lymph node metastasis (surgical specimen)
pN0
37 (90.2)
pN1
4 (9.8)
TNM stage (surgical specimen)
fStage IA
37 (90.2)
fStage IB
4 (9.8)
Differentiated: well-differentiated adenocarcinoma, moderately differentiated adenocarcinoma, or papillary adenocarcinoma; undifferentiated: poorly differentiated adenocarcinoma, signet-ring cell adenocarcinoma, or mucinous adenocarcinoma. ‡According to the third English edition of the Japanese Classification of Gastric Carcinoma.