A) Chest CT showing a lobulated necrotic mass in left hilar region with foci of calcifications and spiculated margins at the time of diagnosis. b) PET-CT.

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a) Chest CT showing a lobulated necrotic mass in left hilar region with foci of calcifications and spiculated margins at the time of diagnosis. b) PET-CT carried out at the time of diagnosis showing FDG uptake with a SUV of 14.5; an FDG avid (SUV 5.9) subc... a) Chest CT showing a lobulated necrotic mass in left hilar region with foci of calcifications and spiculated margins at the time of diagnosis. b) PET-CT carried out at the time of diagnosis showing FDG uptake with a SUV of 14.5; an FDG avid (SUV 5.9) subcarinal lymph node is also shown in the image. c) CT carried out 12 months later showing resolution of the hilar mass. d) PET-CT carried out 12 months later showing reduced uptake in the subcarinal lymph node. Ashish K. Jain et al. Breathe 2018;14:e94-e99 ©2018 by European Respiratory Society