Exploring the Data:

SUMMARY

The research described on this page is a deep dive into available data analytics on early-stage breast cancer detection. As you explore this page, you'll see that by focusing not just on cancer incidence alone, but on stage of detection segmented by demographics, survival outcomes could be improved by placing more focus and investment on increased screening access in underserved areas.

Research Domain

Incidence of Breast Cancer

Data Discovery

Stage at Diagnosis (0, I, II, III, IV)

Focused Sub-Domain

Demographic Disparities in Early-Stage Detection

RAW DATA

Foundation Layer: Stage at Diagnosis

• U.S. population-based cancer registry aggregator SEER
• CDC U.S. Cancer Statistics
• Cancer Trends Progress Report

Context Layer: Screening Access

• BRFSS - Mammography by location and demographics
• State Cancer Profiles
• NBCCEDP Program Screening Data

INSIGHTS EXTRACTED

1. Early detection is unevenly distributed
   • Charts show that a large percentage of breast cancer cases are detected at a localized (early) stage
   • Data segmented by race shows the proportion of early-stage detection differs across groups
2. Aggregated data obscures high-risk subpopulations
   • National-level summaries suggest strong early detection
   • Race and age segments show consistently lower early-stage diagnosis rates
3. Published visualizations describe disparities but don't offer interactive outputs for decision-making
   • National-level summaries suggest strong early detection
   • Race and age segments show consistently lower early-stage diagnosis rates

ACTIONS

These action items highlight the need for visualization tools that not only describe disparities, but actively support exploration, prioritization, and intervention.

Screening Interventions

Available data can address screening disparities in under-detected populations by identifying who is being detected late and where they might be located. Policymakers and institutions should deploy targeted screening programs rather than replying on standard national screening recommendations.

Reframe National Metrics

Supplementing national metrics with “equity indicators” like minimum screening rates changes early-detection success criteria focus from performance average to missing demographics.

Targeted Investments

Screening maps identify where gaps exist, and stage-at-diagnosis data shows consequences of those gaps. Funding and infrastructure should be allocated to regions with low screening and high late-stage diagnosis rates.