| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Radiotherapy for immunosuppression | Is a | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier |  | 
| Radiotherapy for hemopoietic irradiation | Is a | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier |  | 
| Radiotherapy for lymphatic irradiation | Is a | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier |  | 
| Radiotherapy for analgesia | Is a | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier |  | 
| Radiotherapy for inflammation | Is a | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier |  | 
| Palliative course of radiotherapy | Is a | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier |  | 
| Combined chemotherapy and radiation therapy | Is a | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier |  | 
| Consultation in computer dosimetry and isodose chart, external beam radiation therapy | Has focus | False | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 2 | 
| General radiation therapy consultation and report | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 2 | 
| Radiation physics consultation with therapeutic radiologist | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 2 | 
| Radiation physics consultation | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 2 | 
| Consultation in external beam radiation therapy | Has focus | False | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 2 | 
| Radiation therapy care | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 1 | 
| Radiation therapy simulator aided field setting | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 1 | 
| Brachytherapy isodose calculation, intermediate | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 2 | 
| Therapeutic radiology port film interpretation and verification | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 2 | 
| Radiation therapy, central axis depth dose computation | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 2 | 
| Isodose computation for external beam radiation therapy | Has focus | False | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 1 | 
| Radiation therapy isodose plan, rotation field | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 1 | 
| Radiation therapy treatment management | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 2 | 
| Treatment planning for brachytherapy | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 1 | 
| Consultation in computer dosimetry and isodose chart for brachytherapy | Has focus | False | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 2 | 
| Radiation therapy treatment planning, patient contour and localization of internal structures | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 2 | 
| Radiation therapy isodose plan, isocentric | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 1 | 
| Radiation therapy isodose plan, arc field | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 1 | 
| Special dosimetry, thermoluminescent dosimetry | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 1 | 
| Radiation therapy isodose plan, moving strip field | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 1 | 
| Isodose computation for brachytherapy | Has focus | False | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 1 | 
| Special dosimetry, microdosimetry | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 1 | 
| Radiation therapy treatment planning service | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 1 | 
| Special dosimetry | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 1 | 
| Treatment planning for external beam radiation therapy | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 1 | 
| Radiation therapy isodose plan, wedge fields | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 2 | 
| Three dimensional treatment planning for external beam radiation therapy | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 1 | 
| Radiotherapy planning | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 1 | 
| Radiotherapy planning using a free set up | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 1 | 
| Radiotherapy planning using a simulator | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 1 | 
| Radiotherapy planning using simulator fluoroscopy | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 1 | 
| Radiotherapy planning using a simulator X-ray film | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 1 | 
| Radiotherapy planning using diagnostic radiology | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 1 | 
| Radiotherapy planning using mold room preparation | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 1 | 
| Radiotherapy calculation | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 1 | 
| Calculation of external beam radiation therapy | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 1 | 
| Calculation of external beam radiation therapy parameters | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 1 | 
| Outlining for radiotherapy dose calculation | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 1 | 
| Calculation of radiotherapy isodose distribution | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 1 | 
| Calculation of radiotherapy dose corrections | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 1 | 
| Calculation of radiotherapy dose-volume histogram | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 1 | 
| Calculation of brachytherapy | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 1 | 
| Calculation of radionuclide therapy | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 1 | 
| Radiation therapy treatment planning, interpretation of special testing ordered by radiation therapist | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 1 | 
| Radiation therapy, tissue and geometric inhomogeneity correction | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 1 | 
| Field block design and fabrication | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 1 | 
| Bolus design and fabrication | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of molds or casts for immobilization | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 2 | 
| Making of beam direction shell for radiotherapy | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 2 | 
| Making of bite block for radiotherapy | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 2 | 
| Making of docking unit for radiotherapy | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 2 | 
| Making of template for radiotherapy | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 2 | 
| Making of shielding block for radiotherapy | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 2 | 
| Provision of external compensating shield | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 2 | 
| Radiation therapy complication | Temporally related to | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 3 | 
| Radiotherapy course of treatment | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 1 | 
| Radiotherapy treatment phase | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 1 | 
| Disorder of nerve plexus due to and following radiation therapy | After | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 2 | 
| Skin care during radiation therapy | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 1 | 
| Deformity of bony and soft tissue of orbit due to and following radiotherapy | After | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 3 | 
| Consultation for radiotherapy | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 2 | 
| Poikiloderma due to and following radiotherapy | After | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 2 | 
| Radiotherapy treatment plan | Has focus | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 1 | 
| Scarring alopecia due to and following radiotherapy | Due to | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 4 | 
| Scarring alopecia due to and following radiotherapy | After | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 3 | 
| Radiation keratosis following radiotherapy | After | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 2 | 
| Acute toxicity due to and following early brain irradiation | Due to | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 4 | 
| Acute toxicity due to and following early brain irradiation | After | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 2 | 
| Cognitive impairment due to late-delayed irradiation of brain | After | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 2 | 
| Cerebrovascular disease due to late-delayed irradiation of brain | After | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 2 | 
| Injury of brain due to early brain irradiation | After | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 2 | 
| Injury of brain due to early delayed brain irradiation | After | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 2 | 
| Radiotherapy preparation | Is a | False | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier |  | 
| Radiotherapy volume definition | Is a | False | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier |  | 
| Radiotherapy delivery | Is a | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier |  | 
| Radiotherapy by body site | Is a | False | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier |  | 
| Preparation for external beam radiotherapy | Is a | False | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier |  | 
| Preparation for brachytherapy | Is a | False | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier |  | 
| Support for preparation for radiotherapy | Is a | True | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier |  | 
| External radiotherapy NOS | Is a | False | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier |  | 
| Other radiotherapy miscellaneous | Is a | False | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier |  | 
| Radiotherapy progress NOS | Associated procedure | False | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier | 1 | 
| Radiological procedure and radiotherapy as the cause of abnormal reaction of patient, or of later complication, without mention of misadventure at the time of procedure | Associated with | False | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier |  | 
| Radiological procedure as the cause of abnormal reaction of patient, or of later complication, without mention of misadventure at the time of procedure | Associated with | False | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier |  | 
| Radiotherapy as the cause of abnormal reaction of patient, or of later complication, without mention of misadventure at the time of procedure | Associated with | False | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier |  | 
| Radiological procedure or radiotherapy as the cause of abnormal reaction of patient, or of later complication, without mention of misadventure at the time of procedure | Associated with | False | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier |  | 
| Radioimmunoguided surgery | Is a | False | Radiation oncology AND/OR radiotherapy | Inferred relationship | Existential restriction modifier |  |