Fig. 1From: Adenocarcinoma in situ detected on a thin-walled lung cavity: a case reportImaging findings. a Computed tomography (CT) findings showing a 2.9 × 2.0-cm nodule on the right-upper lung. b CT scan also shows a thin-walled cavitary lesion with partly thickened areas on the right-lower lobe (arrow indicated the partly thickened cavitary wall)Back to article page