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Endoscopically, WHYX cancers demonstrated a vague extent of tumor spread due to pale color changes in both the background atrophic and metaplastic gastric mucosa. However, the clinical outcomes of WHYX cancers after endoscopic resection are unknown. The aim of this study was to evaluate clinical outcomes of WHYX cancers after endoscopic resection.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| WHYX cancer group | Active Comparator | WHYX cancer diagnosed by pathologic report |
|
| non-WHYX cancer group | Placebo Comparator | all cancer except WHYX cancer diagnosed by pathologic report |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| WHYX cancer group | Procedure | WHYX cancer diagnosed by pathologic report |
|
| Measure | Description | Time Frame |
|---|---|---|
| complete resection rate | Complete resection was defined to have all of the following features: 1. grossly en bloc resection, 2. Tumor-free lateral and vertical resection margins, 3. No lymphovascular invasion, and 5. A depth of submucosal tumor invasion of less than 500 micrometers. | 6 months after endoscopical resection |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Samsung Medical Center | Seoul | 135-710 | South Korea |
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