Clinical characteristics and management of gastric tube cancer with endoscopic submucosal dissection

Table 1 Patient characteristics n (%)

Characteristics
Patient	11
Gender (M/F)	10/1
Tumors	11
Mean age	70.5 (65-78)
Median period from esophagectomy to initial ESD for GTC, in months (range)	52.4 (4-144)
Gastric tube reconstruction
Anterosternal subcutaneous route	7 (63.6)
Posterior mediastinal route	3 (27.3)
Substernal route	1 (9.1)
Size (Major axis)	26.1 mm (10-68 mm)
Macroscopic type
0-IIa	4 (36.4)
0-IIc	5 (45.5)
0-IIa + IIc	1 (9.1)
Unclassified	1 (9.1)
Histological diagnosis
Differentiated	11 (100)
Undifferentiated	0 (0)
Depth
Mucosal	9 (81.8)
Submucosal	2 (18.2)
Helicobacter pylori infection
Positive	9 (81.8)
Negative	2 (18.2)

ESD: Endoscopic submucosal dissection; GTC: Gastric tube cancer.

Table 2 Detailed patient characteristics

Case	Sex	Age	Gastric tube reconstruction	Wall	Location	Macroscopic finding	Period from esophagectomy (mo)	H. pylori infection	Tumor size (mm)	Resected size (mm)	Depth	Resection time (min)
1	M	66	Post	Left	Body	0-IIa + IIc	117	Positive	28	62	SM	184
2	M	77	Ant	Left	Body	0-IIa	96	Negative	16	40	M	175
3	M	67	Sub	Posterior	Body	0-IIa	50	Positive	10	21	M	180
4	M	62	Ant	Right	Body	0-IIa	4	Positive	31	48	M	57
5	M	78	Ant	Anterior	Antrum	0-IIc	38	Positive	15	28	M	65
6	M	66	Post	Posterior	Antrum	unclassified	144	Negative	68	74	SM	445
7	M	74	Ant	Left	Body	0-IIc	12	Positive	32	45	M	208
8	F	78	Ant	Anterior	Antrum	0-IIa	44	Positive	20	49	M	32
9	M	78	Ant	Left	Body	0-IIc	6	Positive	12	31	M	32
10	M	65	Ant	Posterior	Antrum	0-IIc	45	Positive	30	52	M	44
11	M	64	Post	Left	Body	0-IIc	21	Positive	25	53	M	141

Ant: Anterosternal subcutaneous route; Sub: Substernal route; Post: Posterior mediastinal route; H. pylori: Helicobacter pylori.

Table 3 Complications in the preoperative phase

Case	Anastomotic stenosis	Endoscopic dilation	Mounted attachment	Attaching overtube	Food residue
1	–	–	Possible	Possible	–
2	–	–	Possible	Possible	–
3	+	+	Possible	Impossible	+
4	+	+	Possible	Possible	–
5	+	+	Impossible	Impossible	–
6	–	–	Possible	Impossible	–
7	+	+	Possible	Impossible	–
8	–	–	Possible	Possible	+
9	–	–	Possible	Impossible	+
10	+	+	Possible	Impossible	+
11	–	–	Possible	Possible	–

Table 4 Complications in the intraoperative and postoperative phase

Case	Submergence	Fibrosis of submucosa	Bleeding	Delayed bleeding	Stenosis
1	+	Moderate	Severe	+	–
2	+	Moderate	Severe	–	–
3	–	Moderate	Severe	+	–
4	–	Slight	None	–	–
5	–	Slight	None	–	–
6	–	Severe	None	–	+
7	+	Moderate	Severe	–	–
8	–	Slight	None	–	–
9	–	Slight	None	–	–
10	+	Slight	None	–	–
11	+	Severe	Severe	–	–