How frequently should you order brain imaging after whole brain RT in patients not undergoing a planned SRS boost?

MRI every 3-m is recommended by NCCN and adopted by most insurance companies. However, more frequent imaging, such as every 2-m may be considered for melanoma, SCLC, RCC, or patients with large brain metastasis (> 2 cm), due to increased risk of progression after WBRT. Of course, MRI showed be done ...