Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no displaced rib fracture . There is no pleural effusion or pneumothorax . Vague opacities in the left low lung are likely from atelectasis or aspiration . Bronchiectasis is better seen on the chest CT . Heart is mildly enlarged . The mediastinal and hilar structures are unremarkable .
    OUTPUT:
    
No rib fracture or pneumothorax .