Fig. 5.

58-year-old woman with metastatic adenocarcinoma from lung.

A. Mediolateral oblique mammogram shows palpable irregular mass (arrow below skin marking) and two round masses in upper outer quadrant of left breast (arrows) with enlarged lymph nodes in axilla (arrowheads). B, C. US of left upper outer breast shows irregular mass with marked hypoechogenicity, microlobulated margins, and peritumoral infiltration, similar to those of invasive ductal carcinoma (B), and smaller masses with similar features in peripheral side of main mass (C). D. US of left axilla reveals several enlarged lymph nodes with ill-defined margins, and obliteration of normal fatty hilum, suggesting metastasis. E. Chest CT scan shows irregular spiculated mass in left lower lobe, suggesting lung cancer. US = ultrasound