Nodular pattern 1. Hypersensitivity pneumonitis: ill defined centrilobular nodules. 2. Miliary TB: random nodules 3. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy. 4. Hypersensitivity pneumonitis: centrilobular nodules, notice sparing of the area next to pleura and fissure. #Clinical #Radiology #HRCT #CTChest #Nodular #Pattern #Comparison #Table #RadiologyAssistant