Expected headings
"Approach"
"Distribution"
"Morphology"
"if present it can indicate bronchiolar diseases such as endobronchial spread of infection, aspiration or mucus retention in small or large airway diseases such as asthma, allergic bronchopulmonary aspergillosis (ABPA) or bronchiectasis"
"if absent and with evenly distributed nodules ~1-2 cm apart with immediate subpleural sparing are indicative of either bronchiolar diseases or vasculitides; the two main diseases to consider are hypersensitivity pneumonitis (absent smoking history) or respiratory bronchiolitis (occurs in smoker)"