Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Extensive asbestos related pleural calcification obscures large areas of the lungs and the ribs . There is no pleural effusion . Moderate enlargement of the cardiac silhouette is slightly increased since ___ .
    OUTPUT:
    
Conventional chest radiographs , are not sensitive for detection of chest cage trauma . Detail views of clearly marked focal findings should be obtained instead . In this case detection of rib fractures is virtually impossible given the severe asbestos related pleural calcification which obscures the lungs and ribs . Moderate cardiomegaly .