| IPA | invasive pulmonary aspergillosis |
| PM | pulmonary mucormycosis |
| GM | galactomannan |
| BAL | bronchoalveolar lavage |
| APACHE II | Acute Physiology and Chronic Health Evaluation II |
| CT | computed tomography |
| ICU | intensive care units |
| DM | diabetes mellitus |
| HS | halo sign |
| RHS | reverse halo sign |
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