Data voluntarily submitted to the NCDB by 597 hospitals throughout the US indicate marked variations in the type of surgery used for the treatment of breast cancer. Patients in New England with early stage breast cancer are much more likely to be treated with partial mastectomy than are patients in the East South Central or West North Central regions.
No takes yet. Share an insight, caveat, or question.
Osteen et al. (1992) studied this question.
Synapse has enriched 4 closely related papers on similar clinical questions. Consider them for comparative context: