Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . Low lung volumes . There is chronic opacity in the right middle lobe , unchanged . The right hemidiaphragm apex is more lateral . There is no focal consolidation , pleural effusion , or pneumothorax . The cardiomediastinal and hilar contours are normal .
    OUTPUT:
    
1 . Low lung volumes . No acute cardiopulmonary process . 2 . Unchanged chronic opacity in right middle lobe . 3 . Slight lateralization of right hemidiaphragm apex , may be sign of subdiaphgragmatic process , correlate clinically .