| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Hyperthermia system phantom | Is a | True | Phantom | Inferred relationship | Some |  | 
| Therapeutic radiation phantom | Is a | True | Phantom | Inferred relationship | Some |  | 
| Radionuclide phantom | Is a | True | Phantom | Inferred relationship | Some |  | 
| Mammographic x-ray phantom, test object (physical object) | Is a | True | Phantom | Inferred relationship | Some |  | 
| Multi-modality diagnostic imaging phantom, anthropomorphic | Is a | True | Phantom | Inferred relationship | Some |  | 
| Bone densitometry x-ray phantom, test object (physical object) | Is a | True | Phantom | Inferred relationship | Some |  | 
| Bone densitometry x-ray phantom, anthropomorphic (physical object) | Is a | True | Phantom | Inferred relationship | Some |  | 
| Diagnostic ultrasound phantom | Is a | True | Phantom | Inferred relationship | Some |  | 
| Angiographic x-ray phantom, anthropomorphic | Is a | True | Phantom | Inferred relationship | Some |  | 
| Magnetic resonance imaging phantom, test object (physical object) | Is a | True | Phantom | Inferred relationship | Some |  | 
| Multi-modality diagnostic imaging phantom, test object (physical object) | Is a | True | Phantom | Inferred relationship | Some |  | 
| MRI phantom, anthropomorphic | Is a | True | Phantom | Inferred relationship | Some |  | 
| Dental x-ray phantom, anthropomorphic (physical object) | Is a | True | Phantom | Inferred relationship | Some |  | 
| General-purpose diagnostic x-ray phantom, anthropomorphic | Is a | True | Phantom | Inferred relationship | Some |  | 
| Nuclear medicine phantom | Is a | True | Phantom | Inferred relationship | Some |  | 
| Angiographic x-ray phantom, test object (physical object) | Is a | True | Phantom | Inferred relationship | Some |  | 
| Fluoroscopic x-ray phantom, test object (physical object) | Is a | True | Phantom | Inferred relationship | Some |  | 
| CT phantom, anthropomorphic | Is a | True | Phantom | Inferred relationship | Some |  | 
| General-purpose diagnostic x-ray phantom, test object (physical object) | Is a | True | Phantom | Inferred relationship | Some |  | 
| Dental x-ray phantom, test object (physical object) | Is a | True | Phantom | Inferred relationship | Some |  | 
| Fluoroscopic x-ray phantom, anthropomorphic (physical object) | Is a | True | Phantom | Inferred relationship | Some |  | 
| Mammographic x-ray phantom, anthropomorphic (physical object) | Is a | True | Phantom | Inferred relationship | Some |  |