Fig. 1
From: Mesothelial cyst derived from chest wall pleura growing after thoracic surgery: a case report
Computed tomography demonstrated a gradually increasing low-density mass (arrows) measuring 2.0 × 1.8 cm in diameter. There was no mass region at 6 months after the wedge resection of the lower lobe of the left lung (a). A flat region appeared 1 year after the wedge resection of the lower lobe of the left lung (b) with increasing size up to 2.0 × 1.8 cm at 2 months before the present surgery (c)