Are prognostic factors more favorable for breast cancer detected by organized screening than by opportunistic screening or clinical diagnosis? A study in Loire-Atlantique (France)

Vanier A, Leux C, Allioux C, Billon-Delacour S, Lombrail P, Molinié F. Are prognostic factors more favorable for breast cancer detected by organized screening than by opportunistic screening or clinical diagnosis? A study in Loire-Atlantique (France). Cancer Epidemiol. 2013 ;37:683-7.