DD070
| Pos | Category | Selected Element & Definition |
|---|---|---|
| D | Section |
Radiation Therapy
|
| D | Body System |
Gastrointestinal System
|
| 0 | Modality |
Beam Radiation
|
| 7 | Treatment Site |
Rectum
|
| 0 | Modality Qualifier |
Photons <1 MeV
|