This recent study from the Commonwealth Fund highlights the differences between insured and uninsured women in accessing breast cancer diagnosis and completing treatment.
"Even after controlling for socioeconomic characteristics, uninsured women
with breast cancer are more likely than their insured counterparts to require
more costly treatment and are more likely to have worse outcomes. The
current health care safety net is not a substitute for universal health
Differences in Breast Cancer Diagnosis and Treatment: Experiences of Insured and Uninsured Women in a Safety-Net Setting - The Commonwealth Fund