Not all coronavirus patients appear to have lung damage, despite having low blood-oxygen levels. Scans show healthy lungs, but patients are struggling with oxygen anyway, leaving doctors puzzled.

People with long-lasting symptoms of breathlessness after COVID-19 infection may have damage ... people with breathlessness but no evidence of lung damage seen by chest X-ray or CT imaging.

An advanced type of MRI uncovers significant lung abnormalities in children and adolescents with long COVID, according to a study published in Radiology. Post-COVID-19 condition, commonly known as ...