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Interpretation of Incidence Rates Data

Incidence Rate Report by State

Breast (in situ) (All Stages^), 2018-2022

All Races (includes Hispanic), Female, All Ages

Sorted by Rate

Explanation of Column Headers
Incidence Rate (95% Confidence Interval) - The incidence rate is based upon 100,000 people and is an annual rate (or average annual rate) based on the time period indicated. Rates are age-adjusted by 5-year age groups to the 2000 U.S. standard million population.

Recent Trends - This is an interpretation of the AAPC/APC:

AAPC/APC (95% Confidence Interval) - the change in rate over time


Other Notes


Line by Line Interpretation of the Report


US (SEER+NPCR)1


New Mexico7


Puerto Rico2


Nevada2


Wyoming2


Oklahoma2


Vermont2


Texas7


Tennessee2


West Virginia2


Montana2


Alabama2


Arizona2


Kansas2


Utah7


North Dakota2


Mississippi2


Alaska2


Louisiana7


Idaho7


Oregon2


Ohio2


California7


Arkansas2


Indiana2


Kentucky7


Maine2


Missouri2


Colorado2


Florida2


South Dakota2


Georgia7


Nebraska2


Iowa7


South Carolina2


Minnesota2


Pennsylvania2


Washington1


Maryland2


Michigan2


Virginia2


North Carolina2


New Hampshire2


Illinois7


Wisconsin2


Delaware2


Hawaii7


Massachusetts2


District of Columbia2


Rhode Island2


New Jersey7


Connecticut7


New York7





Notes:
Created by statecancerprofiles.cancer.gov on 03/21/2026 4:12 pm.

State Cancer Registries may provide more current or more local data.

† Incidence rates (cases per 100,000 population per year) are age-adjusted to the 2000 US standard population (SEER areas use 20 age groups and NPCR areas use 19 age groups). Rates are for invasive cancer only (except for bladder cancer which is invasive and in situ) or unless otherwise specified. Rates calculated using SEER*Stat. Population counts for denominators are based on Census populations as modified by NCI. The US Population Data File is used for SEER and NPCR incidence rates.

Rates and trends are computed using different standards for malignancy. For more information see malignant.html.

^ All Stages refers to any stage. Due to changes in stage coding, Combined Summary Stage with Expanded Regional Codes (2004+) is used for data from Surveillance, Epidemiology, and End Results (SEER) databases and Merged Summary Stage is used for data from National Program of Cancer Registries databases. Due to the increased complexity with staging, other staging variables maybe used if necessary.

Source: SEER and NPCR data. For more specific information please see the table.

Data for United States does not include Puerto Rico.