Which of the following statements is true regarding retrosternal goiters?
Retrosternal goiter / substernal goiter / Mediastinal goiter Majority(>95%) of the retrosternal goitres can be removed by a neck incision If > 50% of thyroid tissue is located below the opening of thoracic cage MC symptom - Dyspnea Dysphagia Hoarseness of voice Dilated veins over Anterior chest wall. PEMBEON sign- positive If bilateral upper limb elevated above forehead, facial puffiness and facial congestion seen