Fig. 1

a Chest x-ray showed fibrotic changes at both upper zones with reticulo-nodular opacity over the upper and middle zone of both lungs. b Repeated chest x-ray after 54 doses of anti tuberculous medications showed absence of radiological improvement with similar reticulo-nodular opacity over bilateral lung field. c Mediastinal view of CT thorax showed enlarged right paratrachea lymphadenopathy (Blue arrow). d Consolidative changes with air bronchogram at the posterior segment of the left upper lobe and the apico-posterior segment of the right upper lobe. e The presence of lung nodules with tree in bud appearance