Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes remain low . Heart size is mildly enlarged . The aorta remains tortuous . The mediastinal and hilar contours are otherwise unremarkable . No pulmonary edema is present . Minimal atelectasis is seen in the lung bases without focal consolidation . No pleural effusion or pneumothorax is present , however the extreme left costophrenic angle is excluded from the field of view . Mild elevation of the right hemidiaphragm is unchanged . There are hypertrophic changes noted in the thoracic spine is well degenerative changes in both glenohumeral joints .
    OUTPUT:
    
Low lung volumes . No acute cardiopulmonary abnormality .