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. 2008 Jun 5;10(4):224–229. doi: 10.1007/s11307-008-0145-4

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© The Author(s) 2008

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Fig. 2 — Cause-specific survival (CSS) and disease-free survival (DFS) according to the loco-regional score in post-CRT PET and CT scans. The patients with negative post-CRT PET had statistically superior CSS than patients with PET positive (a, P = 0.045). The positive post-CRT PET scan was a strong predictor of DFS (b, P < 0.0001). However, negative correlations were observed between post-CRT CT scan and survival (CSS and DFS) in OPC patients treated with concurrent CRT (c, P = 0.416; d, P = 0.070).