<prompt> Best surgical approach in accessing retrosternal goiter is:CervicalSternalIntercostalVATS  <response>: Ans. a CervicalRef: Bailey and Love 27th Edition, Page 811Mediastinal goiter can be divided into Primary - Only 1 of mediastinal goiters, arising from ectopic thyroid tissue in mediastinum with blood supply from mediastinal vessels. Secondary - Majority of mediastinal goiters due to extension of thyroid from neck with blood supply from thyroid arteries.Treatment: Mediastinal goiter can be removed by Neck incision most of the times except in few cases like suspected thyroid cancers, Primary mediastinal goiters and previous neck surgeries. 