CT
Multiple pathologically enlarged bilateral hilar and mediastinal lymph nodes are seen at pre-vascular, retrocaval, pre-carinal, sub-carinal and zygo-oesophagal locations. The largest at sub-carinal location measures 4 X 2.5 cm.
Right upper lobe anterior segment and middle lobe peri-bronchial thickening with reticulo-nodulation and thickening of interlobular septae.