D7Y18
| Pos | Category | Selected Element & Definition |
|---|---|---|
| D | Section |
Radiation Therapy
|
| 7 | Body System |
Lymphatic and Hematologic System
|
| Y | Modality |
Other Radiation
|
| 1 | Treatment Site |
Thymus
|
| 8 | Modality Qualifier |
Hyperthermia
|