Lymphoma,
especially B-cell type,
is the most common malignancy associated with Hashimoto thyroiditis.
All of the other choices except for medullary carcinoma do have an increased risk in Hashimoto thyroiditis.
Lymphoma,
especially B-cell type,
is the most common malignancy associated with Hashimoto thyroiditis.
All of the other choices except for medullary carcinoma do have an increased risk in Hashimoto thyroiditis.