<prompt> Answer this question truthfullyIn a patient with weight loss, tachycardia, anti-thyroid peroxidase TPO antibodies, and normal sized non-tender thyroid, along with low TSH, high free T4, and radioactive iodine uptake of less than 5, what could be the possible diagnosis?  <response>: <reason> The likely diagnosis for the patients condition is painless silent thyroiditis. 