Summary Median (IQR)70 (57–75) M: 26 (79%) out of 33 EORTC host factor: n=2 (6%); inhaled/systemic steroid exposure: n=16 (48%); diabetes: n=10 (30%); chronic lung disease: n=9 (27%) Nodules: n=6 (31.6%), cavity/halo-sign: n=2 (10.5%) 16 (72.7%) out of 22 with BAL 14 (66.7%) out of 21 with BAL GM 6 (21.4%) out of 28 with serum GM Median (IQR)5.5 (4.3–9) Proven: n=5; probable: n=1; no host factor: n=27 Proven: n=5; putative: n=11; putative with caveats: n=17 24 (72.7%) treated 21 (63.6%) died