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Flow chart of patients included from the COVID‐19 registry. Of the 75 782 patients who tested positive for COVID‐19 in the CCCRR between March 2020 and December 2020, 12 524 were hospitalized, 2343 had at least one CT of the chest during their hospital stay, and 95 met our inclusion criteria of having two CT scans of the chest at least 3 days apart during or after their hospital stay.
