Mixed nodular ground-glass opacity in the left upper lobe confirmed as aspergillosis in a 52-year-old woman. Thin-section CT shows 23 mm mixed nodular ground-glass opacity in the left upper lobe. Multifocal solid portions were seen in the lesion. The lesion was pathologically confirmed by CT-guided cutting needle biopsy. She also had fungal sinusitis in the right maxillary sinus.