highly significantP < .0001
The sensitivities of the 11 C‐MET PET and of the 18 F‐FDG PET for detecting recurrent lesions were 0.97 (32/33, 95% confidence interval [CI]: 0.85‐0.99) and 0.48 (16/33, 95% CI: 0.33‐0.65), respectively, and this difference was highly significant by the McNemar test ( P < .0001).