Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low and exaggerate pulmonary vascular markings . There are bibasilar atelectatic changes but the lungs are otherwise without a focal consolidation . The cardiac and mediastinal contours appears stable . Left ventriculoperitoneal shunt is again visualized traversing through the chest into the upper abdomen . No acute fractures are identified . Severe degenerative changes are noted at the right glenohumeral joint with moderate degenerative changes throughout the thoracolumbar spine .
    OUTPUT:
    
No acute cardiopulmonary process .