Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bibasilar rounded punctate opacities correspond of microcalcifications better characterized on the prior CT chest . There is no focal consolidation , pleural effusion or pneumothorax . There is no free air beneath the right hemidiaphragm . There has been pneumomediastinum . The heart size is normal .
    OUTPUT:
    
No acute cardiopulmonary process .