Table 4.
Summary of the study characteristics by the anatomical region in the abdomen.
| Publication | Year | Image modality | Patients/plans | Cancer Site | Delineation type | Outcome |
|---|---|---|---|---|---|---|
| Ibragimov et al32 | 2017 | CT | 72 | Liver | Portal vein | Median DSC = 0.83 |
| Qin et al33 | 2018 | CT | 100 | Liver | Liver | Median DSC = 0.97 |
| Ahn et al34 | 2019 | CT | 70 | Liver | OARs | DSC (atlas) = 0.60 (stomach) to 0.93 (liver) DSC (DL) = 0.73 (stomach) to 0.94 (heart) |
| Fu et al35 | 2018 | MRI | 120 | Abdominal | OARs | Mean DSC = 0.65 (duodenum) to 0.95 (liver) |
| Hu et al36 | 2017 | CT | 132 | Abdominal | Liver, spleen, and kidney | Mean DSC = 0.96 (liver), 0.94 (spleen), 0.95 (kidneys) |
Abbreviations: DL = deep learning; DSC: Dice similarity coefficient; OARs = organ at risks.