Fig. 2
![Fig. 2](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12885-022-09213-z/MediaObjects/12885_2022_9213_Fig2_HTML.png)
Typical presentation of brainstem necrosis on MRI of a 37-year-old woman, 18 months after IMRT. Significant edema and irregular enhancement in the high-dose area of the left pons was observed. a IMRT dose distribution around the brainstem, in which the max dose was located in the left front of pons; (b) T2-weighted image; and (c) contrast-enhanced T1-weighted image