Figure 4From: Personalized predictive lung dosimetry by technetium-99m macroaggregated albumin SPECT/CT for yttrium-90 radioembolizationCardiac motion artefacts on SPECT/CT. Cardiac motion artefacts were frequently observed at the left mediastinal border (arrows) (A), often leading to auto-segmentation errors (red contour line) (B) requiring manual correction.Back to article page