Lead Sponsor

Memorial Sloan Kettering Cancer Center

Age

18 - No limit years

Sex

ALL

Healthy Volunteers

No

•Able to read, write, and communicate in English Patients who have been diagnosed with LR-PTC as described above
•For Aim 1, adults with recently diagnosed LR-PTC who have not yet made a choice between surgery and AS
•For Aim 2, adults with LR-PTC who made a decision about surgery or AS at least 3 months prior, but no more than 4 years prior to their routine follow-up visit at which they are being recruited for this study.
•Active patients of MSK and participating institutions

•Patients who have been diagnosed with a tumor greater than 2 cm
•Patients with clinically suspicious lymphadenopathy in the neck
•Patients with evidence of gross ETE after a biopsy of the papillary thyroid tumor