Radiofrequency Ablation for Management of Benign/Indeterminate Thyroid Nodules and Low Risk Papillary Thyroid Cancers

Eligibility Criteria

1. Participants scheduled to undergo ultrasound-guided RFA for the following conditions: benign thyroid nodules, indeterminate thyroid nodules, low-risk DTC, and recurrent PTC
2. Participant is over 18 years and is either not a surgical candidate or has declined surgery.
3. Capable and willing to provide written informed consent
4. Participant has one of the following diagnoses:

   * Biopsy-proven benign thyroid nodules causing compressive and/or cosmetic symptoms who are requesting treatment,
   * Biopsy-proven indeterminate nodules (AUS or follicular neoplasm)
   * Papillary thyroid carcinoma (PTC) without metastasis
   * Locally recurrent thyroid cancer (\< 2 cm).

Exclusion Criteria

1. Participants meeting any of the following criteria will be excluded:
2. Participants considered unsuitable for RFA by the treating physician