Here another case of hypersensitivity pneumonitis. There is a mosaic pattern. Some secundary lobules demonstrate ground-glass opacity due to lung infiltration, while others are more lucent due to bronchiolitis with air trapping. #Clinical #Radiology #CTChest #Hypersensitivity #Pneumonitis #HypersensitivityPneumonitis #Mosaic #GroundGlass #RadiologyAssistant