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Table 2 Relationship between 3D-CTA and conventional CT grading a

From: Three-dimensional computed tomography angiography for the preoperative evaluation of coronary artery disease in lung cancer patients

3D-CTA
Conventional Normal Slight Severe PCI Ineligible for lung resection
CT grading (n=71) (n=24) (n=25) (n=16) (n=2)
Grade 0 46 7 4 3 0
Grade 1 17 11 7 4 0
Grade 2 5 5 8 4 1
Grade 3 3 1 6 5 1
  1. a 3D-CTA, three-dimensional computed tomographic angiography; normal grade, no calcification; slight grade, calcification in 1 vessel; moderate grade, calcification in two vessels; severe grade, calcification in three or more vessels; PCI, percutaneous coronary intervention.