Where used:
| Data Set | Cancer Registration Data Set | references in description DATE FIRST SEEN |
| Data Set | National Cancer Data Set | references in description DATE FIRST SEEN |
| Data Set | National Cancer Waiting Times Monitoring Data Set | references in description DATE FIRST SEEN |
| Attribute | DELAY REASON COMMENT | references in description DATE FIRST SEEN |
| Attribute | DELAY REASON INDICATOR | references in description DATE FIRST SEEN |
| Attribute | DELAY REASON REFERRAL TO FIRST SEEN (CANCER OR BREAST SYMPTOMS) | references in description DATE FIRST SEEN |
| Attribute | TREATMENT START DATE (CANCER) | references in description DATE FIRST SEEN |
| Data Element | DELAY REASON COMMENT (FIRST SEEN) | references in description DATE FIRST SEEN |
| Data Element | FIRST SEEN BY SPECIALIST DATE (CANCER) | references in description DATE FIRST SEEN |
| Data Element | WAITING TIME ADJUSTMENT (DECISION TO TREAT) | references in description DATE FIRST SEEN |
| Data Element | WAITING TIME ADJUSTMENT (FIRST SEEN) | references in description DATE FIRST SEEN |
| Supporting Information | Cancer Referral To Treatment Period | references in description DATE FIRST SEEN |
| Supporting Information | National Cancer Waiting Times Monitoring Data Set Overview | references in description DATE FIRST SEEN |