... (3patients), patients where less than 3 matches could befound in our database (2 patients), and patients withsome information missing (2 patients). For each patientof the remaining 21 patients, ... con-tralateral breast had a 2.5-fold greater risk for contralateralBC than unexposed women [37].We evaluated the pathological type, T-stage, and axillarynodal status of the index BC in patients ... index breast cancers, tumorswere detected by mammography in 17 patients (60.7%), breast self-examination in 8 patients (28.6%), clinicalexamination in two patients (7.1%) and unknown in onepatient...