Esophageal Cancer

• NGM Clinical Study Site — Tucson, Arizona, United States
• NGM Clinical Study Site — Los Angeles, California, United States
• NGM Clinical Study Site — Los Angeles, California, United States
• NGM Clinical Study Site — Sacramento, California, United States

• The First Affiliated Hospital, Zhejiang University School of Medicine — Hangzhou, Zhejiang, China

• Memorial Sloan Kettering Cancer Center — New York, United States

Not specified

• Cancer hospital, Chinese academy of medical sciences — Beijing, Beijing Municipality, China

• Hospital Evangélico do Cachoeiro do Itapemirim — Cachoeiro de Itapemirim, Espírito Santo, Brazil
• Hospital Universitário de Brasília — Brasília, Federal District, Brazil
• Santa Casa de Misericórdia de BH — Belo Horizonte, Minas Gerais, Brazil
• Hospital Erasto Gaetner — Curitiba, Paraná, Brazil

• Yale School of Medicine — New Haven, Connecticut, United States
• Georgetown University-Lombardi Comprehensive Cancer Center — Washington D.C., District of Columbia, United States
• University of Chicago — Chicago, Illinois, United States
• Johns Hopkins University Medical Center — Baltimore, Maryland, United States

• Clinical Site — Fort Payne, Alabama, United States
• Clinical Site — Orange City, Florida, United States
• Clinical Site — Stuart, Florida, United States
• Clinical Site — Dublin, Georgia, United States

• Shanghai Chest Hospital — Shanghai, China
• Queen Mary Hospital — Hong Kong
• Erasmus MC Cancer Institute — Rotterdam, Netherlands
• Chang Gung Memorial Hospital — Linkou District, Taiwan

• Howard University Cancer Center — Washington D.C., District of Columbia, United States
• Inova Life With Cancer — Fairfax, Virginia, United States