PMC5223331_01
a CT scan documenting a voluminous GIST metastasis compressing the vena cava (diameter 130 x 110 mm). b CT scan performed 4 months after radiotherapy showing significant tumor shrinkage
13569_2016_65_Fig1_HTML.jpg
PMC5223331_01_13569_2016_65_Fig1_HTML.jpg
Fig1
PMC5223331_02
a CT scan documenting right pararenal hypervascular metastatsis (diameter 34 mm). b CT scan performed after cyberknife. The lesion, substantially stable in size, became completely hypodense
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PMC5223331_02_13569_2016_65_Fig2_HTML.jpg
Fig2
Radiological assessment after cyberknife showed disease stabilization without shrinkage of tumor size, but with a decrease in hypervascularity of the mass, and the patient referred an early improvement in pain (Fig. 2).