<prompt> Appropriate approach for thyroidectomy to remove thyroid carcinoma with retrosternal extension isCervicalThorasicCombined cervical and thoracicThoracoscopic  <response>: Surgical removal of retrosternal thyroid is done. Commonly, it can be removed through an incision in neckas blood supply of retrosternal goitre is from neck, but in case of large retrosternal extension or in malignant type median sternotomy is required. Reference: SRBs Manual of Surgery, 6th Edition, page no 458. 