When does a thyroid lump need surgery, and can it be removed without leaving a visible neck scar? Lance Alexander speaks with Adjunct Associate Professor Oh Han Boon, Head of Division & Senior Consultant,Breast & Endocrine Surgery, Ng Teng Fong General Hospital about transoral thyroidectomy, an approach that removes part or all of the thyroid through incisions inside the mouth. They discuss who is suitable, how the risks and recovery compare with conventional thyroid surgery, and whether patients will need thyroid hormone medication afterwards.