Radiation Therapy
- D0 - Central and Peripheral Nervous System
- D7 - Lymphatic and Hematologic System
- D8 - Eye
- D9 - Ear, Nose, Mouth and Throat
- DB - Respiratory System
- DD - Gastrointestinal System
- DF - Hepatobiliary System and Pancreas
- DG - Endocrine System
- DH - Skin
- DM - Breast
- DP - Musculoskeletal System
- DT - Urinary System
- DU - Female Reproductive System
- DV - Male Reproductive System
- DW - Anatomical Regions