Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: This study is limited due to rotated position , and supine view . Low lung volumes result in bronchovascular crowding . No focal parenchymal opacities are identified . Cardiomediastinal and hilar contours are unremarkable . There is no pleural effusion or pneumothorax . No rib fractures are identified .
    OUTPUT:
    
No evidence of acute cardiopulmonary process . No rib fracture identified . Of note , this study has suboptimal sensitivity for assessment of rib fractures . If there is further concern , dedicated rib cage views should be obtained .