“…A typical differential profile for NPO includes silicotic nodules, infectious granulomas, sarcoidosis, variola pneumonias, or carcinomas [ 1 , 3 , 24 ]. In contrast, DPO on CT demonstrates a branching, coral-like, dendriform pattern that is similar to features of bronchiectasis, pulmonary fibrosis, emphysema, and lymphangitic metastasis [ 23 , 25 ]. More common conditions such as interstitial lung disease, amyloidosis, histoplasmosis, prior tuberculosis, or granulomatosis with polyangiitis should be considered as differential diagnoses for DPO [ 26 ].…”