This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Salivary Gland, Subject name: Surgery
[{'content': 'Seabrocks operation is done for \nSelect and explain. \nA. Parotid fistula, B. Thyroglossal fistula, C. Thyroglossal cyst, D. Branchial fistula', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) Parotid FistulaRef: SRB Manual of surgery, 4th ed p-438-39* Parotid fistula usually results following surgery or Trauma or infection* Fistulas from Parotid gland usually heals* Fistulas from duct wont heal and will need Newman and Seabrook operation - reconstruction of duct by double cannulation.', 'role': 'assistant'}]