Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right IJ central venous catheter ends at the mid SVC . There is no evidence of pneumothorax . There is a subtle left basilar opacity which may represent atelectasis . There is no pleural effusion . Cardiomediastinal silhouette is normal . There are degenerative changes of the bilateral glenohumeral joints .
    OUTPUT:
    
1 . No evidence of pneumothorax after right IJ central venous catheter insertion . 2 . Left basilar opacity may represent atelectasis , pneumonia not excluded in the appropriate clinical setting .