About 80% of breast cancer biopsies turn out benign. New imaging tool promises clearer diagnoses and fewer biopsies

MedicalXpress | Apr 06, 2026

Ultrasound is widely used in breast cancer diagnosis. While it can effectively show that a lump is filled with fluid—indicating it is unlikely to be cancer—it cannot reliably determine whether a solid mass is benign or cancerous. This often leads doctors to order breast biopsies to confirm the presence of cancer.