EUS-FNA for Retropharyngeal Lymph Node (RPLN) in Recurrent Nasopharyngeal Carcinoma (NPC) Patients

Condition:   Nasopharyngeal Carcinoma
Intervention:   Procedure: EUS-FNA for RPLN in NPC patients
Sponsor:   Sun Yat-sen University
Recruiting - verified December 2016

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