Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild cardiomegaly , but otherwise the cardiomediastinal and hilar contours are unremarkable . There is no pleural effusion or pneumothorax . Minimal left basilar atelectasis is noted , without focal consolidation . No bony abnormalities are identified , although this study is limited for assessment of osseous structures .
    OUTPUT:
    
Mild left basilar atelectasis . No evidence for pneumonia .