Where used:
| Data Set | Cancer Registration Data Set | references in description START DATE (ANTI-CANCER DRUG REGIMEN) |
| Data Set | National Cancer Data Set | references in description START DATE (ANTI-CANCER DRUG REGIMEN) |
| Data Element | DAY NUMBER (ANTI-CANCER DRUG CYCLE) | references in description START DATE (ANTI-CANCER DRUG REGIMEN) |
| Data Element | START DATE (ANTI-CANCER DRUG REGIMEN) | references in description START DATE (ANTI-CANCER DRUG REGIMEN) |