Page 8 of 13 Quartuccio et al. J Cancer Metastasis Treat 2021;7:14 I http://dx.doi.org/10.20517/2394-4722.2020.118 18 Figure 5. Forest plots of per-lesion-based DR for lung metastases of: F-FDG PET/CT (A); CT (B); and MRI (C).