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. 2020 Oct 23;99(43):e22925. doi: 10.1097/MD.0000000000022925

Figure 2.

Figure 2

Cranial magnetic resonance imaging (MRI) scans revealed the sizes of brain metastases (BM) lesions and peritumoral brain edema (PTBE). (A) No metastatic lesion observed prior to surgery in March 2018; (B) 3 BM (red arrow indicates left temporal-parietal lobe, left thalamus lesions, and brain stem lesion), and large areas of PTBE observed in June 2018; (C) the BM lesions were reduced, and the area of the PTBE shrank progressively after radiation therapy; (D) all BM stayed reduced, and PTBE had disappeared in October 2018; (E) cranial MRI scans showed a new BM lesion in the left frontal lobe (purple arrow), and there were no obvious changes in the 3 BM in January 2019; (F) all BM lesions appeared further reduced in March 2019; (G) cranial MRI scans showed a new BM (blue arrow) in the cerebellum in October 2019.