The global diagnostic imaging market is expected to grow from $20.7 billion in 2010 to $26.6 billion by 2016, at an estimated compound annual growth rate of 4.2 percent from 2011 to 2016, according to "Global Diagnostic Imaging (CT, MRI, X-Ray & Ultrasound) MarketCompetitive Landscape & Forecasts from 2010 to 2016," a report published by MarketsandMarkets.