Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are well expanded and clear bilaterally with no areas of focal consolidation , masses , lesions , pleural effusion or evidence of pneumothorax . The cardiomediastinal silhouette is within normal limits . Pleural surfaces are unremarkable . There is a wedge - shaped deformity in an upper lumbar vertebra of unknown chronicity .
    OUTPUT:
    
No evidence of infection or malignancy .