Stage IVA Oropharyngeal (p16-Negative) Carcinoma AJCC v8

• Banner University Medical Center - Tucson — Tucson, Arizona, United States
• University of Arizona Cancer Center-North Campus — Tucson, Arizona, United States
• USC / Norris Comprehensive Cancer Center — Los Angeles, California, United States
• Sutter Medical Center Sacramento — Sacramento, California, United States

• Moffitt Cancer Center — Tampa, Florida, United States
• Northwestern University — Chicago, Illinois, United States
• University of Kansas Clinical Research Center — Fairway, Kansas, United States
• University of Kansas Cancer Center — Kansas City, Kansas, United States

• University of Alabama at Birmingham Cancer Center — Birmingham, Alabama, United States
• Anchorage Associates in Radiation Medicine — Anchorage, Alaska, United States
• Anchorage Radiation Therapy Center — Anchorage, Alaska, United States
• Alaska Breast Care and Surgery LLC — Anchorage, Alaska, United States

• Arizona Center for Cancer Care - Gilbert — Gilbert, Arizona, United States
• Arizona Center for Cancer Care-Peoria — Peoria, Arizona, United States
• Arizona Center for Cancer Care - Phoenix — Phoenix, Arizona, United States
• Arizona Center for Cancer Care - Scottsdale — Scottsdale, Arizona, United States

• UPMC Hillman Cancer Center LAO — Pittsburgh, Pennsylvania, United States

• M D Anderson Cancer Center — Houston, Texas, United States

• Emory University Hospital Midtown — Atlanta, Georgia, United States

Not specified

• University of Alabama at Birmingham Cancer Center — Birmingham, Alabama, United States
• University of South Alabama Mitchell Cancer Institute — Mobile, Alabama, United States
• Banner MD Anderson Cancer Center — Gilbert, Arizona, United States
• CTCA at Western Regional Medical Center — Goodyear, Arizona, United States

• University of California, San Francisco — San Francisco, California, United States