肺泡细胞癌是肺腺癌的一个亚型,是一种发生于肺外周远端细支气管或肺泡的原发性肺癌,有学者认为是一种少见的肺内恶性肿瘤,其发病率呈上升趋势,占肺原发肿瘤的1.1%~18%[1]。肺泡细胞癌具有不同的组织发生和生长方式,形态表现多样,影像学和临床特征不明确。本文报告2例影像学表? Alveolar cell carcinoma is a subtype of lung adenocarcinoma, which is a type of primary lung cancer that occurs in the distal bronchioles or alveoli of the lung. Some scholars think it is a rare intrapulmonary malignant tumor, and its incidence is on the rise , Accounting for 1.1% of primary lung cancer 18% [1]. Alveolar cell carcinoma has different modes of tissue growth and growth, morphological diversity, imaging and clinical features are not clear. This article reports 2 cases of imaging table?