Fig. 4From: Clinical and non-contrast computed tomography characteristics and disease development in patients with benign pulmonary subsolid nodules with a solid component ≤ 5 mmMalignant pulmonary subsolid nodule in a 72-year-old woman. a–c The initial axial, coronal, and sagittal lung window CT images showed a subsolid nodule with a well-defined margin and bubble lucency in the right upper lobe. d Photomicrography (hematoxylin and eosin staining; magnification × 100) confirmed invasive adenocarcinomaBack to article page