Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear unchanged . Calcified pleural plaques are again widespread along the left hemithorax , most often seen in the setting of prior asbestos exposure , although reaction to a pleural effusion of other cause might be considered , noting that these are apparently unilateral . There is no pleural effusion or pneumothorax . The lung parenchyma appears clear . There is again moderate rightward convex curvature centered at thoracolumbar junction with multilevel degenerative changes . The bones appear demineralized .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease .