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This issue of the journal, as always, has many outstanding articles, representing cutting edge research and technology in diagnostic imaging. Critical new developments in our field are presented. One highlight of the issue are the two lead articles (featuring some of the earliest research in this area) describing chest CT of COVID-19 coronavirus infection. The bulk of the issue, which follows, covers important research both in CT and MR. Photon counting detector CT is featured in one excellent article. New findings in idiopathic pulmonary fibrosis are described on CT in a second article. A deep learning approach to tissue segmentation is presented. And, in one final CT article, double low-dose dual energy liver imaging in patients at high risk of HCC is evaluated. Of the MR articles, there are two involving the gadolinium chelates, one dealing with safety and the other with efficacy of the macrocyclic agents. Needle heating in interventional MR at both 1.5 and 3 T is described in detail in one final excellent article. 
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