es is 70 (57–75) years, of whom only two (6%) had a European Organization for Research and Treatment of Cancer (EORTC) host factor. Of these 16 (48%) had exposure to inhaled or systemic corticosteroids, 10 (30%) had diabetes and nine (27%) had underlying chronic lung disease; COPD (n=5), asthma (n=3), bullous emphysema (n=1), pulm