Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . Again , low lung volumes are noted . There is secondary crowding of the bronchovascular markings but no confluent consolidation The cardiomediastinal silhouette is stable . Eventration of the right hemidiaphragm again noted . Degenerative changes noted at the left shoulder .
    OUTPUT:
    
Low lung volumes without definite superimposed acute process .