Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In the left mid lung is a 2 .9 cm rounded opacity with an air - fluid level concerning for a cavitary lesion . This was no present in the prior exam . The remainder of the lungs are unremarkable . There is no pneumothorax , pleural effusion , or edema . The cardiomediastinal silhouette is normal . No fracture is visualized .
    OUTPUT:
    
1 . 2 .9 - cm left - sided cavitary lesion . 2 . No displaced rib fracture seen . Results were discussed with Dr . ___ at 11 :00 a .m . on ___ via telephone by Dr . ___ .