Goh, Vicky Commercial software upgrades may significantly alter Perfusion CT parameter values in colorectal cancer. [electronic resource] - European radiology Apr 2011 - 744-9 p. digital Publication Type: Journal Article ISSN: 1432-1084 Standard No.: 10.1007/s00330-010-1967-4 doi Subjects--Topical Terms: Adenocarcinoma--diagnostic imagingAgedAged, 80 and overColonic Neoplasms--diagnostic imagingColorectal Neoplasms--diagnostic imagingContrast Media--pharmacologyFemaleHumansMaleMiddle AgedPerfusionRadiographic Image Interpretation, Computer-Assisted--instrumentationRectal Neoplasms--diagnostic imagingSoftwareTomography, X-Ray Computed--methods