Clinical Outcomes and Adverse Events of Endoscopic Submucosal Dissection for Gastric Tube Cancer after Esophagectomy

Table 1

Clinicopathological characteristics in 20 lesions in 18 patients with gastric tube cancers.

Age, median (range) (years)	72.5 (55-82)
Gender (male/female)	17/1
Pathological stage of esophageal cancer (0/I/II/III/IV/unknown) ()	8/2/3/1/0/4
Interval between esophagectomy and ESD, median (range) (months)	108 (24-264)
Reconstruction route (retrosternal/posterior mediastinal) ()	10/8
Food residue in the stomach on ESD (present/absent) ()	4/14
Tumor location (upper/middle/lower) ()	1/9/10
Involving the stump line (yes/no) ()	1/19
Macroscopic type (0-I/0-IIa/0-IIc) ()	2/5/13
Resected specimen diameter, median (range) (mm)	36.5 (23-76)
Tumor diameter, median (range) (mm)	16 (8-61)
Histological type (differentiated/undifferentiated) ()	19/1
Depth of tumor invasion (M/SM1/SM2) ()	18/0/2
Lymphatic invasion () (%)	2 (10)
Venous invasion () (%)	1 (5)
Horizontal margin positive () (%)	3 (15)
Vertical margin positive () (%)	2 (10)
Ulcer finding (absent/present) ()	19/1

ESD: endoscopic submucosal dissection; M: mucosal cancer; SM1: minimally invasive submucosal cancer, invasion depth < 500 μM from the muscularis mucosa; SM2: invasive submucosal cancer, invasion depth ≥ 500 μM from the muscularis mucosa.