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(a, d) Axial and (b, c, e, f) volume rendered images of the anthropomorphic lung phantom scanned using the (a–c) UHR mode of the PCD subsystem and (d–f) UHR mode of the commercial EID system. The zoomed in ROIs (c, f) shows better delineation of submillimeter lung vessels using the PCD subsystem compared to the EID system.
