A young patient presents with a cervical (pharyngeal) cyst. A CT scan of this patient indicates a connection between the cyst and the pharynx. What term describes the connection?
A. Ectopic thymus
B. External Branchial Fistula
C. Internal Branchial Fistula
D. Pharyngeal Cleft
E. Pharyngeal Pouch
Ans: C. Internal Branchial Fistula
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