Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest are compared to previous exam from ___ . Lower lung volumes seen on the current exam . There is no large confluent consolidation or pneumothorax . There are bibasilar opacities and crowding of the pulmonary vascular markings which are mildly instinct which could be due to low lung volumes . Cardiomediastinal silhouette is within normal limits , noting calcifications of the aortic arch . Osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
No definite acute cardiopulmonary process given lower inspiratory volumes .