RT Journal Article SR Electronic T1 Novel KRAS mutation in an unusual tectal low-grade glioma JF BMJ Case Reports JO BMJ Case Reports FD BMJ Publishing Group Ltd SP e242306 DO 10.1136/bcr-2021-242306 VO 14 IS 4 A1 Sharon Wulfovich A1 Suzanne Tucker A1 Michael Levy A1 John Ross Crawford YR 2021 UL http://casereports.bmj.com/content/14/4/e242306.abstract AB