Cultural Adaptation of an Educational Tool in Medullary Thyroid Cancer

To find good information about medullary thyroid cancer that is easy to understand and reliable, so researchers aim to design some new educational materials to help.

Inclusion criteria: * Provision of signed and dated informed consent form * Males and females; Age: ≥18 years old * Identified ethnicity as "Hispanic" or "Latino/Latina" * Ability to read, write, and speak Spanish * Those who are pregnant are eligible to participate * Have or will face this decision, including: a. Participant/survivor - who has medullary thyroid carcinoma, as determined by a clinician or documented in Multi-Institutional Medullary Thyroid Cancer Collaborative Registry; b. Caregiver/family member - of Participant/survivor who has medullary thyroid carcinoma, as nominated by the Participant/survivor Exclusion Criteria: * Those \< age 18 * Ethnic identity as non-Hispanic or non-Latino/a individual * Individuals with cognitive or psychological impairment (e.g., depression, anxiety, severe mental illness as documented in the registry