Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate low lung volumes . Several healing minimally displaced right lower lateral rib fractures are present at least since ___ . Additional known left sided fractures are not evident . There is no pneumothorax , vascular congestion , or large effusion . Patient is status post T11 vertebral kyphoplasty .
    OUTPUT:
    
1 . No definite acute cardiopulmonary process . 2 . Healing multiple lateral rib fractures . 3 . Interval T11 vertebroplasty since ___ .