The Value of 68Ga-FAPI PET/CT in Detecting Recurrent and Metastatic Lesions in Patients with Thyroid Cancer After Surgery

This study is evaluating a new type of PET/CT scan using a tracer called 68Ga-FAPI to see if it's better at detecting cancer recurrence or spread in thyroid cancer patients who have already had surgery. **You may be eligible if...** - You have had surgery for thyroid cancer - There is clinical suspicion that your cancer may have come back or spread - You are between 18 and 80 years old - You can follow the study procedures **You may NOT be eligible if...** - You have severe heart or lung problems - You have serious bone marrow, liver, or kidney dysfunction - You have a bowel obstruction or difficulty swallowing - You are pregnant or breastfeeding Talk to your doctor to see if this trial is right for you.