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Survival curves of pharyngeal FDCS. (A) OS and (B) DFS curves of pharyngeal FDCS. (C) OS and (D) DFS curves of FDCS with various sizes (<4 cm or ≥4 cm in the longitudinal dimension). (E) OS and (F) DFS curves of FDCS with various treatments (surgery alone or surgery followed by RT and/or ChT). FDCS, follicular dendritic cell sarcoma; OS, overall survival; DFS, disease-free survival; RT, radiotherapy; ChT, chemotherapy.
