A Community Health Advisor Program to Reduce Cancer Screening Disparities in the Deep South and Appalachia: The American Cancer Society's CHA Collaborative.

Introduction: Cancer disparities continue to exist in the United States. Community health advisors (CHAs) can play a critical role in addressing cancer disparities. The American Cancer Society (ACS) implemented a 3-year pilot CHA program in the South based on an evidence-based program to increase breast cancer screening.