22nd May 2025

A 48-year-old female presents to the general practice for follow-up after initially presenting with a breast lump.

A 48-year-old female presents to the general practice for follow-up after initially presenting with a breast lump. A recent ultrasound of the breast was performed. The report describes a well-circumscribed, thin-walled structure with low-level echogenicity but no solid components or vascular flow. Which of the following is the most likely diagnosis?

Select the SINGLE most appropriate option from the list below. Select ONE option only.