This trial will utilize TRIAD for dosimetry digital treatment data submission. TRIAD is the American College of Radiology’s (ACR) image exchange application and it is used by the RTOG. See here for information on installing TRIAD.

Please fill out the credentialing status inquiry form to let us know that you would like to be credentialed for this protocol. Institutions that were previously credentialed to participate in another protocol will be notified if any additional credentialing steps are required.

In order to complete the 3DCRT and IMRT credentialing process, the following items must be completed:

• Complete or update the Facility Questionnaire.

• Irradiate IROC Houston's IMRT H&N phantom. Please fill in the request form online.

• Successfully complete  IGRT credentialing for bony alignment. Please also complete the   IGRT Questionnaire.

Note: Proton treatment modality is not allowed for this trial.