Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear unchanged , including a left ventricular configuration to the heart . Mild unfolding and calcification are similar along the aorta . A streaky left basilar opacity is consistent with unchanged minor atelectasis or scarring . There is no definite pleural effusion or pneumothorax . The chest is hyperinflated . The bones appear demineralized . Mild degenerative changes are similar along the mid to lower thoracic spine .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease .