Fig. 3From: Outcome of untreated lung nodules with histological but no microbiological evidence of tuberculosisChest CT of an asymptomatic patient, aged between 50 and 60 (untreated group), revealed a 1.8-cm nodule in the right upper lobe (a). Follow-up chest CT at 17 months later showed multiple bilateral cavitary consolidations (b). Sputum culture yielded the Mycobacterium tuberculosis complexBack to article page