Quantitative Analysis of Changes in the Thoracic Anatomy over Time after Pneumonectomy Using Computed Tomography

This study quantitatively analyzed changes in thoracic anatomy over time following pneumonectomy using computed tomography (CT). Postoperative changes including mediastinal shift, diaphragm elevation, and intercostal space narrowing were measured. Using AVIEW software (Coreline Soft), detailed quantitative analysis of lung volume and thoracic structures was performed on CT images. The results showed that the most rapid anatomical changes occur within the first three months after pneumonectomy, followed by gradual progression up to 12 months. Notably, volume reduction of the ipsilateral hemithorax and compensatory hyperinflation of the contralateral lung were observed. These findings provide valuable insights for predicting postoperative complications and supporting longitudinal patient management.