TG and neoplasm: Histological findings were without evidence of papillary cancer (HP: Struma colloides polynodosa glandule thyroideae).The stimulated thyroglobulin (tumor marker in histological confirmation of thyroid cancer) level was detectable (Tg, 8.8 ng/ml; TSH, 25.49 mIU/ml) and negative antithyroglobulin antibodies.