Surgery Internal orifice of branchial Fistula is located at: A Lower third of neck over anterior border of starnocleidomastoid B Floor of external auditory canal C Posterior tonsillar pillar D Anterior to tragus on the ipsilateral side 💡 Explanation Internal orifice of branchial Fistula is located at: ✓ Correct Answer: C. Posterior tonsillar pillar