Fig. 6From: Differentiation of pulmonary solid nodules attached to the pleura detected by thin-section CTSPAN with type IV of nodule-pleura relationship. A 44-year-old man with left upper lobe SPAN which is confirmed as an invasive adenocarcinoma. On the axial CT image, the lobulated nodule crosses the potential pleural line (dashed line) and extends into extrapleural fatBack to article page