ACR Appropriateness Criteria Follow-Up and Retreatment of Brain Metastases

This is a clinical practice guideline for patients diagnosed and living with recurrent brain metastases. The guideline discusses different retreatment options such as whole-brain radiation therapy (WBRT), stereotactic radiosurgery (SRS), surgery without radiation, and chemotherapy. The guideline also examines the role of best supportive care (BSC) and the follow-up of patients, including a discussion of imaging modalities and intervals for follow-up imaging.