Fig. 1

Chest X-ray (a), CT (b and f) and pathological findings of transbronchial lung biopsy (c and d, hematoxylin and eosin staining; e, Ziehl-Neelsen staining). a and b: A high number of miliary nodules in both lungs without consolidations and cavities at presentation. c and d: Granulomatous inflammation (c, low-power field; d, high-power field). e: Bacillus bodies seen as a bright red rod. f: Marked improvement in miliary nodules after 15 months of chemotherapy