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Axial contrast-enhanced CT image (iterative reconstruction with Siemens Somatom Definition Flash 128-row) of the pulmonary artery in a 51-year-old man. CM used: 60 mL HCCM (400 mgI) at 4 mL/s. Technical parameters: dual-source CT; pitch, 3.2; automatic exposure control (80 kV). The effective dose administered was <1 mSv.
