Breast Cancer screening in Minas Gerais: assessment of data from information health systems of the Brazilian National Health System.

Objective: to assess the results of indicators related to the supply of mammography and level of adequacy of diagnostic confirmation for mammograms with suspicious findings of malignancy in Minas Gerais state and its health macroregions.

Methods: this is an evaluation study performed with data from the Breast Cancer Information System and the Outpatient Information System for the years 2010 and 2011.

Results: : the ratio of mammograms in women aged 50 to 69 years was of 0.