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A suspicious circumferential resection margin (CRM), defined as tumor cells within 1 mm of the CRM, is still controversial. The aim of this study was to compare the clinical significance of a suspicious CRM to histologically positive (R1) and negative margin (R0) resections in patients with pT3 esophageal and GE-Junction tumors.
From our prospectively build database 923 consecutive pT3 patients operated between january 1990 and june 2013 were selected. CRM status in patients treated by surgery only (n = 747) or after neoadjuvant therapy (n = 176) was recorded prospectively after surgery.
Kaplan-Meier survival curves were generated, and factors affecting survival were assessed by Cox regression multivariate analysis.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| R0 | Complete resection | ||
| R1 | Incomplete resection, microscopical tumor residu left behind | ||
| CRM<1mm | complete resection (R0), however tumor spreads till less than 1 mm from the section pane. |
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| Measure | Description | Time Frame |
|---|---|---|
| overall survival | 5 years overall survival after esophagectomy | 5 years after esophagectomy |
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Inclusion Criteria:
Exclusion Criteria:
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923 consecutive pT3 patients operated between january 1990 and june 2013
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| Name | Affiliation | Role |
|---|---|---|
| Philippe Nafteux, MD | University Hospital Leuven, dept. Thoracic Surgery | Study Director |
| Katrien Van de Steen, MSc | Katholic University Leuven | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University Hospital Leuven | Leuven | 3000 | Belgium |
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| ID | Term |
|---|---|
| D004938 | Esophageal Neoplasms |
| ID | Term |
|---|---|
| D005770 | Gastrointestinal Neoplasms |
| D004067 | Digestive System Neoplasms |
| D009371 | Neoplasms by Site |
| D009369 | Neoplasms |
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| D006258 |
| Head and Neck Neoplasms |
| D004066 | Digestive System Diseases |
| D004935 | Esophageal Diseases |
| D005767 | Gastrointestinal Diseases |