Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lower lung volumes seen on the current exam with secondary crowding of the bronchovascular markings . There is no confluent consolidation or large effusion . Moderate cardiac enlargement is again seen apparently worse when compared to prior but this is likely due to changes in technique / inspiratory effort .
    OUTPUT:
    
Low lung volumes with bronchovascular crowding . No definite superimposed acute cardiopulmonary process .