Figure 2From: Dynamic PET/CT measurements of induced positron activity in a prostate cancer patient after 50-MV photon radiation therapy Transaxial (upper) and coronal (lower) PET/CT (0 to 30 min) sections. The figure illustrates how VOI 1 (arrow) was drawn on the dynamic PET image in the region of the beam entrance in the subcutaneous fat.Back to article page