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Central hepatic metastasis indicated by the arrow at 2 months (A), 10 months (B) and 35 months (C) after starting pembrolizumab. This lesion has had a sustained response to pembrolizumab. Left lateral hepatic metastasis 2 months (D), 10 months (E) and 35 months (F) after starting pembrolizumab. This lesion was treated with stereotactic body radiotherapy (SBRT) 11 months after starting pembrolizumab and has had a sustained response after SBRT. Fiducial placed for SBRT seen in (F).
