hurthle cell thyroid cancer treatmenthurthle cancerhurthle cell thyroid cancer prognosishurthle cell thyroidhurthle cell tumorhurthle cell neoplasm of thyroidhurthle cell carcinoma thyroidhurthle cell thyroid nodulehurthle cells found in thyroid biopsyhurthle cell lesion thyroidhurthle carcinomahurthle cell cancer survival rate