If progressively increase the size of the node or thyroid
, family history of thyroid ca, presence of hypertension
(MEN 2B syndrome), compressive symptoms like dysphagia and dyspnoea, or age of >45 yrs chance of malignancy risk is high. FNAC and biopsy
of neck nodes if accesible in future, Serum Calcitonin
, CT - Neck and periodic usg neck will be useful.