Digestive System Neoplasms

• Florida Cancer Specialist — Fort Myers, Florida, United States
• Lineberger Comprensive Cancer Center — Chapel Hill, North Carolina, United States
• Duke Comprehensive Cancer Centre — Durham, North Carolina, United States
• Chattanooga Oncology and Hematology Associates — Chattanooga, Tennessee, United States

• UAB - Division of Surgery — Birmingham, Alabama, United States

• Department of Oncology, Nationa Taiwan University Hospital — Taipei, Taiwan

• Department of Oncology, National Taiwan University hospital — Taipei, Taiwan

• For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician. — Frankfurt, Germany

Not specified

• Pfizer Investigational Site — Birmingham, Alabama, United States
• Pfizer Investigational Site — Birmingham, Alabama, United States
• Pfizer Investigational Site — Blendora, California, United States
• Pfizer Investigational Site — Glendale, California, United States

• Charité, Universitätsmedizin Berlin, Campus Virchow-Klinikum, Dept. of Hematology and Oncology — Berlin, Germany

• Charité,Universitätsmedizin Berlin, Campus Virchow Klinikum, Dep. orf Hematology and Oncology, — Berlin, Germany

• Virginia Mason Medical Center — Seattle, Washington, United States