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. 2015 Sep 10;6(31):31820–31829. doi: 10.18632/oncotarget.5569

Table 1. Clinical characteristics of patients with bilateral breast cancer and metastatic breast cancer.

Patient ID Tumor 1 Tumor 2 Diagnosis
Age (years) Anatomical site Subtype TNM stage Time since cancer 1 Anatomical site Subtype/histologic type TNM stage
1 55 Breast Luminal T2N0M0 1 month Contralateral breast Luminal T3N0M0 Synchronous BBC
2 55 Breast HER2-enriched T2N1Mx 1 month Contralateral breast Luminal T1N0Mx Synchronous BBC
3 45 Breast Basal-like T3N0M0 2 years Contralateral breast Basal-like T1N0Mx Metachronous BBC
4 46 Breast HER2-enriched T2N1M0 3 years Contralateral breast Basal-like T2N0Mx Metachronous BBC
5 41 Breast Basal-like T3N1M0 4 years Liver Mucinous adenocarcinoma / Metastatic breast cancer
6 49 Breast HER2-enriched T2N2M0 6 months Liver Adenocarcinoma / Metastatic breast cancer

BBC, bilateral breast cancer.