List five ultrasound characteristics of a benign lesion using the BI-RADS lexicon, of a benign lesion.

List five ultrasound characteristics of a benign lesion using the BI-RADS lexicon, of a benign lesion.

1. Parallel orientation
2. Circumscribed margin
3. Posterior acoustic enhancement
4. Oval shape:
5. Anechoic or hyperechoic echogenicity