Where used:
| Attribute | DELAY REASON COMMENT | references in description CANCER TREATMENT PERIOD START DATE |
| Attribute | DELAY REASON INDICATOR | references in description CANCER TREATMENT PERIOD START DATE |
| Class | ACTIVITY GROUP | has an attribute CANCER TREATMENT PERIOD START DATE |
| Data Element | CANCER TREATMENT PERIOD START DATE | references in description CANCER TREATMENT PERIOD START DATE |
| Data Element | CANCER TREATMENT PERIOD START DATE | is the data element of CANCER TREATMENT PERIOD START DATE |
| Data Element | DECISION TO TREAT DATE (RADIOTHERAPY TREATMENT EPISODE) | references in description CANCER TREATMENT PERIOD START DATE |
| Data Element | DELAY REASON COMMENT (DECISION TO TREATMENT) | references in description CANCER TREATMENT PERIOD START DATE |
| Data Element | WAITING TIME ADJUSTMENT (TREATMENT) | references in description CANCER TREATMENT PERIOD START DATE |
| Supporting Information | Cancer Treatment Period | references in description CANCER TREATMENT PERIOD START DATE |
| Supporting Information | National Cancer Waiting Times Monitoring Data Set Overview | references in description CANCER TREATMENT PERIOD START DATE |