Chronic mastitis and carcinoma of the breast.
733 women in whom chronic mastitis had been diagnosed were followed for an average of 30-3 years. 49 died from breast cancer compared with an expected number of 18-8. The excess risk of dying from breast cancer persisted for at least 30 years after chronic mastitis was diagnosed.
D000328:Adult; D000367:Age Factors; D000368:Aged; D001706:Biopsy; D001943:Breast Neoplasms / Q000209:etiology* / Q000401:mortality; D002908:Chronic Disease; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008413:Mastitis / Q000150:complications* / Q000473:pathology; D008875:Middle Aged; D011247:Pregnancy; D013997:Time Factors