Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette is normal . There is no pleural effusion or pneumothorax . Mediastinal contour is unremarkable . There is left upper lobe nodular opacities , not seen in ___ . There is no focal consolidation . No acute osseous abnormality .
    OUTPUT:
    
No evidence of pneumonia or pneumothorax . Left upper lobe nodular opacities , a nonemergent chest CT can be obtained for further evaluation .