Unexpected contralateral axillary lymph node metastasis without ipsilateral involvement in triple-negative breast cancer: A case report and review of literature

Figure 2 Breast sonography on February 6, 2023. Multiple masses (yellow star at the left picture) with poorly defined margin and dilated duct in left breast, the biggest one (red star at the right picture) is at 12 o'clock position of left breast, (12/2 cm), 22.6 mm × 12.6 mm in size, might be neo-growth. Breast imaging reporting and data system category 4c: Moderate suspicious abnormality.