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Contrast-enhanced CT in the portal venous phase, in the axial view, showing a 70-year-old male with sepsis due to gastric cancer surgery complications (qSOFA 3). In this patient, multiple CT signs of sepsis can be observed, including inferior vena cava halo sign (a, red circle), thickened bowel wall (b, white arrow), reduced enhancement, and spleen volume (c, white arrow). Figure d shows a previous CT examination of the same patient for comparison
