This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology and breast, Subject name: Surgery
[{'content': 'Retrosternal Goitre Approach is \nSelect and explain. \nA. Transcervical approach, B. Transthoracic 2nd ICS, C. Transthoracic 4th ICS, D. Transsternal Anterior mediastinum', 'role': 'user'}, {'content': 'Answer: A \nExplanation: * Retrosternal goitre is 99% extension from Goitre in neck due to enlargement. And such extended retrosternal goitres are mostly removed by neck incision itself by putting the fingers and hooking out the gland. * Such manoeuvre of removal neck incision is known as Toboggan Technique. * Very rarely Sternotomy is done if the goitre is primary mediastinal goitre. Ref:- Surgery Sixer 3rd Edition; Pg num:- 227', 'role': 'assistant'}]