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.

3DCRT is not allowed.

In order to complete the IMRT credentialing process the following items must be completed:

• All participants are asked to complete the Facility Questionnaire.

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

• Successfully complete the IGRT credentialing requirements. Please also complete the IGRT questionnaire. Note: IGRT credentialing is ONLY required for reduced margins.

In order to complete the Proton credentialing process, the following items must be completed:

• All participants must have completed baseline approval for proton therapy.

• All participants are asked to complete the Facility Questionnaire.

• Irradiate the IROC Houston's brain phantom. Please fill in the request form online.

• Successfully complete the IGRT credentialing requirements. Please also complete the IGRT questionnaire. Note: IGRT credentialing is ONLY required for reduced margins.