Adenocarcinoma of the esophagogastric junction
Conditions
Interventions
Observation group:None
Sponsors
Zhejiang Cancer Hospital
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: 1.Age >= 18 years; 2.Lesion located within 5 cm above or below the esophagogastric junction (EGJ); 3.Pathologically confirmed adenocarcinoma; 4.Classified as early cancer, defined as tumor invasion confined to the mucosa or submucosa; 5.Availability of endoscopic, pathological, and/or surgical data sufficient for lesion localization and Siewert classification determination; 6.Cases may originate from endoscopic resection, surgical resection, or surgical resection following endoscopic treatment;
Exclusion criteria
Exclusion criteria: 1.Non-adenocarcinoma pathological type; 2.Non-early cancer (i.e., advanced cancer); 3.Lesion located outside the 5 cm range above or below the esophagogastric junction (EGJ); 4.Severe data deficiency precluding reliable lesion localization or Siewert classification determination; 5.Prior treatment(s) that significantly compromise the assessment of the primary lesion location; 6.Duplicate cases; 7.Inability to confirm the lesion as a primary tumor;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Composition ratio of Siewert classification; | — |
Secondary
| Measure | Time frame |
|---|---|
| Patient basic information (age, gender), lifestyle habits (smoking history, drinking history);Clinical features (reflux symptoms, Hp infection status, Barrett's esophagus status, background gastric mucosa condition);Lesion characteristics (lesion size, pathological type, degree of differentiation, depth of invasion, vascular invasion);Treatment information (initial treatment method, final treatment pathway); | — |
Countries
China
Contacts
Public ContactWang Shi
Zhejiang Cancer Hospital
Outcome results
None listed