ACR Appropriateness Criteria Monitoring Response to Neoadjuvant Systemic Therapy for Breast Cancer

This is a clinical practice guideline for patients with locally advanced invasive breast cancer who are being treated with, or considered for, neoadjuvant systemic therapy. The guideline examines imaging methods used to monitor responses to neoadjuvant systemic therapy, from pre-treatment to post-treatment. Digital mammography, digital breast tomosynthesis, ultrasound (US), and magnetic resonance imaging (MRI) are discussed as the key imaging modalities used.