Table 1. Characteristics of primary bilateral synchronous breast cancer.
Case | Age (years) | Right breast | Left breast | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Stage T | Histology | SBR | RH | HER-2 | Stage T | Histology | SBR | RH | HER-2 | |||
1 | 51 | T3 | Mixed* | II | Positive | – | T3 | Mixed* | II | Positive | – | |
2 | 47 | T4d | LIC | – | Positive | – | T4d | LIC | – | Positive | 0 | |
3 | 51 | T1 | DIC | II | Positive | – | T4b | DIC | II | Positive | – | |
4 | 36 | Tx | LIC | I | Positive | 0 | Tx | LIC | I | Positive | 0 |
*, DIC + LIC. LIC, lobular infiltrating carcinoma; DIC, ductal infiltrating carcinoma.