How’s your breast medicine knowledge?

Choose the diagnosis you think is most likely from the list below. Log in to submit your answer below and find out the correct option.

Patient:

A 46-year-old woman presents with a newly palpable lump in her left breast, which she first noticed 3 weeks ago. She has no nipple discharge and no personal or family history of breast cancer.

Ultrasound findings:

• Complex cystic and solid mass in the left breast at 10 o’clock, 1 cm from the nipple
• Overall size 34 × 33 × 21 mm
• Solid mural component measuring 24 × 9 mm with internal vascularity
• No abnormal axillary lymph nodes

Image:

What is the most appropriate next step in management?