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Figure 1. Primary invasive ductal carcinoma in the left breast was demonstrated on ultrasound (US) and magnetic resonance imaging (MRI).
1A: Invasive ductal carcinoma involving the left upper breast was revealed on ultrasound as an irregularly shaped, indistinct, hypoechoic mass.
1B: Maximum intensity projection (MIP) of breast MRI showed invasive ductal carcinoma involving the left whole breast with advanced axillary lymph node metastasis.
Figure 2. Synchronous mucosa-associated lymphoid tissue (MALT) lymphoma was shown on magnetic resonance imaging (MRI) and ultrasound (US).
2A: Irregular mass with heterogeneous enhancement was found on the upper inner quadrant of the right breast on breast MRI.
2B: On MR-guided US, an approximately 1.4 x 0.4cm irregular-shaped and indistinct hypoechoic mass was found. MALT lymphoma was diagnosed on subsequent core needle biopsy.