 
| PCS-2023 > D > D7 > D7Y > D7Y4 | 
| D7Y | Lymphatic and Hematologic System, Other Radiation | |
| D7Y4 | Other Radiation, Lymphatics, Axillary | |
| D7Y48 | Hyperthermia | |
| D7Y48Z | None | |
| D7Y48ZZ | Hyperthermia of Axillary Lymphatics | |
| D7Y4F | Plaque Radiation | |
| D7Y4FZ | None | |
| D7Y4FZZ | Plaque Radiation of Axillary Lymphatics | |
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