Malignant transformation of pulmonary bronchiolar adenoma into mucinous adenocarcinoma: A case report

Figure 1 High-resolution computed tomography. A: A mixed solid and ground-glass nodule (orange arrow, magnified in insert) was present in the posterior basal segment of the lower lobe of the left lung. It measures approximately 17.0 mm × 7.0 mm, was irregular in shape, and was close to the pleura; B: There was a small cystic cavity within the nodule (orange arrow, magnified in insert).