IMAGE: PA and lateral chest x-XXXX XXXX. INDICATION: XXXX-year-old XXXX with productive XXXX COMPARISON: Chest radiograph XXXX XXXX FINDINGS: Redemonstration of colonic interposition overlying the mediastinum. There are increased bibasilar airspace opacities, left greater than right. No pneumothorax or large pleural effusion. IMPRESSION: 1. Bibasilar airspace disease left greater than right. 2. Stable postsurgical changes with colonic interposition overlying the mediastinum.