Radiology Standard treatment of whole-brain radiotherapy (WB) for brain Metastasis : A 20 grays (Gy) in 10 fractions B 30 grays (Gy) in 10 fractions C 30 grays (Gy) in 5 fractions D 15 grays (Gy) in 10 fractions π‘ Explanation Standard treatment of whole-brain radiotherapy (WB) for brain Metastasis : β Correct Answer: B. 30 grays (Gy) in 10 fractions