Fig. 2.

CT thorax lung window, 2b mediastinal window, 2c lung window coronal section 23-August-2021: A 2.2 × 2.5 cm subpleural cavitary nodule is seen in the anterior aspect of the left upper lobe/lingula, with an adjacent area of patchy ground glass opacity, minimal interlobular septal thickening, and tree-in-bud nodules.

Fig. 2b

Fig. 2c.

Fig. 2e

Fig. 2d CT thorax mediastinal window, 2e lung window 23-August-2021: Interval growth of the subpleural mass in the left upper lobe of the anterior segment with interval growth of the associated left perivascular lymph nodes compared with the previous CT scan of August. Size is unchanged from the previous CT of September.

Fig. 2f CT thorax mediastinal window 23-Sep-2021: At CT, a true incisional needle biopsy was taken from a subpleural round lesion in the left upper lobe. The procedure was performed under local anesthesia without complications.