U.S. Data Variable Definition and Frequency
U.S. Cancer Statistics Public Use Database
The following variables are available in the U.S. Cancer Statistics Public Use Database, U.S. data (2001–2017). They are listed by SEER*Stat category. Click on the variable name for more information, including the source, description, and considerations for use.
Age at Diagnosis
Race, Sex, Year of Diagnosis, Registry, and County
- Sex
- Year of diagnosis
- Addr at DX – state
- USCS standard
- Race recode for USCS
- Program
- Region
- USCS0117
- USCS0817
- USCS1317
- Origin recode NHIA (Hispanic, Non-Hisp)
Site and Morphology
- Primary site – labeled
- Histologic type ICD-O-3 (International Classification of Diseases for Oncology, Third Edition)
- Behavior code ICD-O-3
- Grade
- Diagnostic confirmation
- ICD-O-3 histology/behavior, labeled
- Site recode ICD-O-3/Word Health Organization 2008
- International Classification of Childhood Cancer (ICCC) site recode ICD-O-3/WHO 2008
- ICCC site recode extended ICD-O-3/WHO 2008
- Adolescent and young adult (AYA) site recode ICD-O-3/WHO 2008
- Lymphoma subtype recode/WHO 2008
Stage – Local, Regional, Distant (LRD) [Summary and Historic]
Therapy
- Rx summary – surgery primary site
Restricted to female breast only and diagnosis years ≥2003
Extent of Disease – Collaborative Stage (CS)
- CS site-specific factor 1
Restricted to two groups:- Female breast and diagnosis years ≥2004 (Estrogen Receptor Assay)
- Brain and other nervous system and diagnosis years ≥2011 (WHO Grade Classification)
- CS site-specific factor 2 (Progesterone Receptor Assay)
Restricted to female breast only and diagnosis years ≥2004 - CS site-specific factor 15 (HER-2 Summary Result)
Restricted to female breast only and diagnosis years ≥2010 - Laterality
Multiple Primary Fields
Race and Age (case data only)
Dates
Other
User-Specified
Merged System-Supplied
Page last reviewed: June 8, 2020