History, physical examination, and breast self-examination.
D001941:Breast Diseases / Q000175:diagnosis* / Q000473:pathology; D001943:Breast Neoplasms / Q000175:diagnosis* / Q000473:pathology; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008327:Mammography; D010173:Palpation / Q000379:methods*; D010808:Physical Examination / Q000379:methods*