Tumor DNA Mutations From Intraparenchymal Brain Metastases Are Detectable in CSF. - Cheok, Stephanie Kim; Narayan, Azeet; Arnal-Estape, Anna; Gettinger, Scott; Goldberg, Sarah B.; Kluger, Harriet M.; Nguyen, Don; Patel, Abhijit; Chiang, Veronica (JCO Precision Oncology, 2021)