To learn more about how you would rate the intensity or severity of your symptoms during or after radiation therapy using questionnaires with different rating scales.

Primary Objectives:

• To investigate how different toxicity questionnaires with different scoring systems can be reliably translated to each other by estimating different measures of correlation between items and summary scores across different questionnaires.

Inclusion Criteria:

• Age ≥18 years
• English as a primary language
• Participants with a diagnosis of HNC undergoing active curative RT or having received curative RT within the past 5 years at MD Anderson
• Ability to complete the survey(s) of their own volition

Exclusion Criteria:

• Age < 18 years
• Non-English speaking participants
• Participants who are receiving or have received RT in a non-HN site.
• Participants in follow up and over 5 years from post-treatment
• Neurocognitive deficits that render patients unable to complete the survey(s) on their own.

Head and Neck Cancer (HNC) participants undergoing active radiation therapy.