JNM -- Bradley et al. 45 (1 Supplement): 96S Figure 3

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FIGURE 3. PET images in patient with right hilar cancer. (A) PET threshold is set at 40% of maximum standard uptake value (SUV) of tumor. (B) PET threshold is set at 30% of maximum SUV. If delineating this tumor using PET alone, different threshold settings would result in different target volumes.