Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear unchanged . Central pulmonary arteries are again prominent . The lungs are hyperinflated . There is a small unchanged eventration of the right hemidiaphragm . No pleural effusion or pneumothorax is seen . There are streaky opacities lung bases suggesting minor atelectasis . No focal consolidation is present . The bones are probably demineralized . Mild degenerative changes are similar along the thoracic spine .
    OUTPUT:
    
No evidence of acute process .