Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . There is extensive pleural based calcified plaque , likely reflect prior asbestos exposure , which limits evaluation for a subtle pneumonia . Overall pattern of calcified plaque appears similar to the prior exam . No convincing signs of pneumonia or edema . No large effusion or pneumothorax seen . Please note , small effusions difficult to exclude . Cardiomediastinal silhouette is unchanged . Bony structures are intact .
    OUTPUT:
    
Extensive calcified pleural plaque without definite signs of pneumonia or edema .