[Epidemiology and clinical aspects of breast cancer].
D000022:Abortion, Spontaneous / Q000150:complications; D000293:Adolescent; D000328:Adult; D000368:Aged; D001943:Breast Neoplasms / Q000453:epidemiology*; D005191:Family Characteristics; D005260:Female; D006801:Humans; D007564:Japan; D008598:Menstruation; D008875:Middle Aged; D011247:Pregnancy