Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are relatively low lung volumes and mild bibasilar atelectasis . Slight blunting of the costophrenic angles is most likely due to overlying soft tissue . No large pleural effusion is seen . The cardiac and mediastinal silhouettes are stable with the cardiac silhouette remaining mildly enlarged . No focal consolidation or pneumothorax is seen . While there may be mild central pulmonary vascular engorgement , there is no overt pulmonary edema .
    OUTPUT:
    
Low lung volumes , which accentuate the bronchovascular markings . Given this , no focal consolidation seen . Persistent mildly enlarged cardiac silhouette .