Energy spectrum computed tomography multi-parameter imaging in preoperative assessment of vascular and neuroinvasive status in gastric cancer

Figure 5 Energy spectra of the two groups of gastric cancer patients. A: Energy spectrum diagram of 40-140 keV in the arterial phase; B: Energy spectrum diagram of 40-140 keV in the venous phase; C: Energy spectrum diagram of the delay period from 40 to 140 keV.