Pulmonary nodules common in 9/11 responders

More than half of World Trade Center responders with available CT scans had evidence of pulmonary nodules, a recent study shows.

Researchers examined CT imaging data from 1,617 World Trade Center responders taken between 2003 and 2012 from the WTC Chest CT Imaging Archive and the WTC General Responder Cohort Data Center. The study’s primary outcome was the presence of noncalcified nodules, with radiologists evaluating nodule location, consistency, size at largest diameter and presence of calcification. Severity of nodules were classified according to the Lung CT Screening Reporting and Data System (Lung-RADS) criteria.

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