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| Figure 1: A. Example of regions of interest (ROIs): T- Tumor ROI and B-Background ROI, choosing in transverse SPECT slice. This is true positive result; T/B ratio 5.92; high 99mTc-depreotide uptake in the SPNs within right lung (histopathology revealed adenocarcinoma; diameter on CT = 2.9 mm), B. coronal SPECT slice C. sagittal SPECT slice. |
