Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mildly enlarged . The mediastinal and hilar contours are unremarkable . The pulmonary vasculature is not engorged . Minimal patchy opacities are seen within both lung bases likely reflective of atelectasis / scarring . No focal consolidation , pleural effusion or pneumothorax is present . Compression deformities of a couple of low thoracic vertebral bodies appear unchanged from prior CT . Clips from prior cholecystectomy are noted in the right upper quadrant of the abdomen . There is chronic elevation of the right hemidiaphragm .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Patchy and linear bibasilar opacities likely reflective of atelectasis / scarring .