The study will investigate whether the presence of coronary artery calcium as demonstrated on pre-operative, thoracic staging Computed Tomography (CT) is an independent risk factor for 90 day mortality in patients undergoing major abdominal surgery. The study research question: Do higher levels of coronary calcification correlate to an increased risk of post-operative mortality in patients undergoing major abdominal surgery?
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The primary outcome measure is an abbreviated calcium score
Timeframe: 5 years