title: Bilateral breast cancer.
mesh_terms: D000328:Adult; D001943:Breast Neoplasms / Q000453:epidemiology*; D005260:Female; D007839:Functional Laterality; D006801:Humans; D008593:Menopause; D008875:Middle Aged; D009364:Neoplasm Recurrence, Local / Q000453:epidemiology*