Permission to Collect Blood Over Time for Research

Stopped Accrual issues - Low Accrual

Conditions

• Pancreatic Cancer
• Gastrointestinal Neoplasms
• Colon Rectal Cancer Adenocarcinoma
• Esophageal Cancer
• Gall Bladder Cancer
• Gastric (Stomach) Cancer
• Gastrooesophageal Cancer
• Gastrointestinal Stromal Tumor (GIST)
• Hepatobiliary Neoplasm
• Liver Carcinoma
• Gallbladder Carcinoma
• Bile Duct Carcinoma
• Carcinoma of the Large Intestine
• Anal Cancer

Interventions

• PROCEDURE: Observation

Sponsor

Stanford University