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. Author manuscript; available in PMC: 2016 Oct 25.
Published in final edited form as: Int J Radiat Oncol Biol Phys. 2016 May 28;96(2):362–371. doi: 10.1016/j.ijrobp.2016.05.026

Fig. 2.

Fig. 2

(A) Progression-free survival (PFS) after neck dissection by pathologic complete response (pCR), all patients; (B) PFS after neck dissection by pCR, p16-positive; (C) PFS after neck dissection by pCR, p16-negative. Abbreviations: CI = confidence interval; HR = hazard ratio.