Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are very low with vascular crowding . There is no definite focal airspace opacity . The lateral radiograph is degraded by motion artifact . There is no pleural effusion or pneumothorax . Heart size is top normal . There are granulomatous calcifications in the left hilum . The aortic arch is calcified . There are severe degenerative changes in both shoulders with apparent inferior subluxation of the right shoulder .
    OUTPUT:
    
1 . Very low lung volumes but no definite acute cardiopulmonary abnormality . 2 . Apparent inferior subluxation of the right shoulder may be projectional / positional . Please correlate clinically .