Masaryk Memorial Cancer Institute (MMCI) provides complete diagnostic, treatment, and preventive care in oncology for all patients, including international ones. MMCI is the only health care provider in the Czech Republic with two quality approvals: the Joint International Commission and the Independent Joint Czech Republic Accreditation Commission (Spojená akreditacní komise CR, SAK). MMCI is the only health care provider in the Czech Republic that is OECI Member. Part of our work deals with breast cancer cases, as we are the biggest centre in the Czech Republic for breast cancer. We try to offer all possibilities of diagnostic and therapy and screening, and even experimental oncology.