Esophageal Cancer, Gastric Cancer, Colorectal Cancer, Intrahepatic Cholangiocarcinoma
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Age 18-85 years, ?regardless of gender; 2. Pathologically confirmed? digestive tract tumors; 3. No prior history of ?radiotherapy, chemotherapy, or targeted therapy; 4. Available samples include: ?gastrointestinal endoscopy biopsy tissue samples? or ?surgically resected tissue samples; 5. Patients undergoing ?gastrointestinal endoscopy biopsy? or ?surgical resection? as part of standard clinical management; 6. Complete ?baseline clinical data; 7. Signed ?informed consent form.
Exclusion criteria
Exclusion criteria: 1. Presence of ?immunodeficiency disorders; 2. Severe ?cardiopulmonary insufficiency? contraindicated for biopsy or surgery; 3. Failure to sign ?informed consent form; 4. Incomplete clinical data.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Heterogeneity of gene expression in tumor regions; | — |
Countries
China
Contacts
Zhongshan Hospital, Fudan University