Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upright and lateral views of the chest are provided . Calcified pleural plaque again seen projecting over the left upper chest , unchanged . Volumes are low . No convincing signs of pneumonia or CHF . The cardiomediastinal silhouette is stable . The bony structures appear intact .
    OUTPUT:
    
No acute findings .