Fig. 1From: Pulmonary papillary adenoma with malignant potential: a case report and literature reviewThe chest CT scan manifestation of the tumor. A, In 2018, the tumor was well circumscribed, lobulated, and the maximum diameter was 3.7 cm. B, In 2021, the maximum diameter of the mass was 5.5 cm, with more obvious lobulation. C, Blood vessel was visible in the arterial phase of the tumorBack to article page