5.All pure ground glass opacities (GGOs) measuring less than 10 mm in diameter on high-resolution computed tomography imaging were diagnosed as bronchioloalveolar carcinoma (BAC) type A or B.

• ------ 经高分辨CT检测出的、直径小于10mm的单纯磨玻璃样病灶(GGOs)均被诊断为A型或B型支气管肺泡癌（BAC）。