Figure 1.
CONSORT diagram of subjects by eligibility for analysis and chemoprevention use. Abbreviations: AI=aromatase inhibitor; AH=atypical hyperplasia; BC=breast cancer; DCIS=ductal carcinoma in situ; ER=estrogen receptor; LCIS=lobular carcinoma in situ; PR=progesterone receptor; SERM=selective estrogen receptor modulator.